503385064936 has 64 divisors (see below), whose sum is σ = 1022487656400. Its totient is φ = 230955522048.

The previous prime is 503385064921. The next prime is 503385064997. The reversal of 503385064936 is 639460583305.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 288465668100 + 214919396836 = 537090^2 + 463594^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 12765346 + ... + 12804718.

Almost surely, 2^503385064936 is an apocalyptic number.

It is an amenable number.

503385064936 is an abundant number, since it is smaller than the sum of its proper divisors (519102591464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503385064936 is a wasteful number, since it uses less digits than its factorization.

503385064936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40118 (or 40114 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 503385064936 in words is "five hundred three billion, three hundred eighty-five million, sixty-four thousand, nine hundred thirty-six".