396565504373 has 12 divisors (see below), whose sum is σ = 414706686828. Its totient is φ = 379186684800.

The previous prime is 396565504351. The next prime is 396565504399. The reversal of 396565504373 is 373405565693.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 186949870129 + 209615634244 = 432377^2 + 457838^2 .

It is not a de Polignac number, because 396565504373 - 2²⁸ = 396297068917 is a prime.

It is a super-2 number, since 2×396565504373² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396565524373) 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 11 ways as a sum of consecutive naturals, for example, 1347911 + ... + 1615547.

It is an arithmetic number, because the mean of its divisors is an integer number (34558890569).

Almost surely, 2^396565504373 is an apocalyptic number.

It is an amenable number.

396565504373 is a deficient number, since it is larger than the sum of its proper divisors (18141182455).

396565504373 is a wasteful number, since it uses less digits than its factorization.

396565504373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270484 (or 270461 counting only the distinct ones).

The product of its (nonzero) digits is 30618000, while the sum is 56.

The spelling of 396565504373 in words is "three hundred ninety-six billion, five hundred sixty-five million, five hundred four thousand, three hundred seventy-three".