396813540365 has 16 divisors (see below), whose sum is σ = 521694478656. Its totient is φ = 287353065600.

The previous prime is 396813540349. The next prime is 396813540419. The reversal of 396813540365 is 563045318693.

It is not a de Polignac number, because 396813540365 - 2⁴ = 396813540349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15469571 + ... + 15495200.

It is an arithmetic number, because the mean of its divisors is an integer number (32605904916).

Almost surely, 2^396813540365 is an apocalyptic number.

It is an amenable number.

396813540365 is a deficient number, since it is larger than the sum of its proper divisors (124880938291).

396813540365 is a wasteful number, since it uses less digits than its factorization.

396813540365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30965020.

The product of its (nonzero) digits is 6998400, while the sum is 53.

The spelling of 396813540365 in words is "three hundred ninety-six billion, eight hundred thirteen million, five hundred forty thousand, three hundred sixty-five".