401596872313 has 12 divisors (see below), whose sum is σ = 503099379300. Its totient is φ = 317746975392.

The previous prime is 401596872227. The next prime is 401596872343. The reversal of 401596872313 is 313278695104.

It can be written as a sum of positive squares in 2 ways, for example, as 101727826704 + 299869045609 = 318948^2 + 547603^2 .

It is not a de Polignac number, because 401596872313 - 2²⁹ = 401060001401 is a prime.

It is a super-2 number, since 2×401596872313² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (401596872343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315224538 + ... + 315225811.

It is an arithmetic number, because the mean of its divisors is an integer number (41924948275).

It is a 1-persistent number, because it is pandigital, but 2⋅401596872313 = 803193744626 is not.

Almost surely, 2^401596872313 is an apocalyptic number.

It is an amenable number.

401596872313 is a deficient number, since it is larger than the sum of its proper divisors (101502506987).

401596872313 is a wasteful number, since it uses less digits than its factorization.

401596872313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630450376 (or 630450369 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 401596872313 in words is "four hundred one billion, five hundred ninety-six million, eight hundred seventy-two thousand, three hundred thirteen".