4123718949 has 8 divisors (see below), whose sum is σ = 6283762240. Its totient is φ = 2356410816.

The previous prime is 4123718927. The next prime is 4123718971. The reversal of 4123718949 is 9498173214.

It is an interprime number because it is at equal distance from previous prime (4123718927) and next prime (4123718971).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4123718949 - 2⁸ = 4123718693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4123718898 and 4123718907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4123718149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98183764 + ... + 98183805.

It is an arithmetic number, because the mean of its divisors is an integer number (785470280).

Almost surely, 2^4123718949 is an apocalyptic number.

It is an amenable number.

4123718949 is a deficient number, since it is larger than the sum of its proper divisors (2160043291).

4123718949 is a wasteful number, since it uses less digits than its factorization.

4123718949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196367579.

The product of its digits is 435456, while the sum is 48.

The square root of 4123718949 is about 64216.1891504004. The cubic root of 4123718949 is about 1603.6011269980.

The spelling of 4123718949 in words is "four billion, one hundred twenty-three million, seven hundred eighteen thousand, nine hundred forty-nine".