4831313921849 has 4 divisors (see below), whose sum is σ = 4835238629760. Its totient is φ = 4827389213940.

The previous prime is 4831313921827. The next prime is 4831313921873. The reversal of 4831313921849 is 9481293131384.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-4831313921849 is a prime.

It is a super-2 number, since 2×4831313921849² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4831313921794 and 4831313921803.

It is not an unprimeable number, because it can be changed into a prime (4831313941849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1962352109 + ... + 1962354570.

It is an arithmetic number, because the mean of its divisors is an integer number (1208809657440).

Almost surely, 2^{4831313921849} is an apocalyptic number.

It is an amenable number.

4831313921849 is a deficient number, since it is larger than the sum of its proper divisors (3924707911).

4831313921849 is a wasteful number, since it uses less digits than its factorization.

4831313921849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3924707910.

The product of its digits is 4478976, while the sum is 56.

The spelling of 4831313921849 in words is "four trillion, eight hundred thirty-one billion, three hundred thirteen million, nine hundred twenty-one thousand, eight hundred forty-nine".