368457995521 has 36 divisors (see below), whose sum is σ = 486319330560. Its totient is φ = 277848370800.

The previous prime is 368457995483. The next prime is 368457995557. The reversal of 368457995521 is 125599754863.

It is not a de Polignac number, because 368457995521 - 2¹¹ = 368457993473 is a prime.

It is a super-2 number, since 2×368457995521² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (368407995521) 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 35 ways as a sum of consecutive naturals, for example, 818541 + ... + 1186138.

Almost surely, 2^368457995521 is an apocalyptic number.

368457995521 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

368457995521 is a deficient number, since it is larger than the sum of its proper divisors (117861335039).

368457995521 is a wasteful number, since it uses less digits than its factorization.

368457995521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004746 (or 2004728 counting only the distinct ones).

The product of its digits is 81648000, while the sum is 64.

The spelling of 368457995521 in words is "three hundred sixty-eight billion, four hundred fifty-seven million, nine hundred ninety-five thousand, five hundred twenty-one".