449693355931 has 4 divisors (see below), whose sum is σ = 451130076232. Its totient is φ = 448256635632.

The previous prime is 449693355893. The next prime is 449693355941. The reversal of 449693355931 is 139553396944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449693355931 - 2³⁵ = 415333617563 is a prime.

It is a super-2 number, since 2×449693355931² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 449693355931.

It is not an unprimeable number, because it can be changed into a prime (449693355941) 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, 718359681 + ... + 718360306.

It is an arithmetic number, because the mean of its divisors is an integer number (112782519058).

Almost surely, 2^449693355931 is an apocalyptic number.

449693355931 is a deficient number, since it is larger than the sum of its proper divisors (1436720301).

449693355931 is a wasteful number, since it uses less digits than its factorization.

449693355931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436720300.

The product of its digits is 47239200, while the sum is 61.

The spelling of 449693355931 in words is "four hundred forty-nine billion, six hundred ninety-three million, three hundred fifty-five thousand, nine hundred thirty-one".