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8349649793 = 19314324003
BaseRepresentation
bin1111100011010110…
…11000101110000001
3210112220100011020122
413301223120232001
5114100002243133
63500305550025
7413624565212
oct76153305601
923486304218
108349649793
1135a5183521
121750345315
13a30b05aa4
14592cc3409
1533d065498
hex1f1ad8b81

8349649793 has 4 divisors (see below), whose sum is σ = 8353975728. Its totient is φ = 8345323860.

The previous prime is 8349649723. The next prime is 8349649799. The reversal of 8349649793 is 3979469438.

8349649793 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8349649793 - 212 = 8349645697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8349649799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2160071 + ... + 2163932.

It is an arithmetic number, because the mean of its divisors is an integer number (2088493932).

Almost surely, 28349649793 is an apocalyptic number.

It is an amenable number.

8349649793 is a deficient number, since it is larger than the sum of its proper divisors (4325935).

8349649793 is a wasteful number, since it uses less digits than its factorization.

8349649793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325934.

The product of its digits is 35271936, while the sum is 62.

The square root of 8349649793 is about 91376.4181449459. The cubic root of 8349649793 is about 2028.7230025790.

The spelling of 8349649793 in words is "eight billion, three hundred forty-nine million, six hundred forty-nine thousand, seven hundred ninety-three".

Divisors: 1 1931 4324003 8349649793