503426536436 has 6 divisors (see below), whose sum is σ = 880996438770. Its totient is φ = 251713268216.

The previous prime is 503426536433. The next prime is 503426536447. The reversal of 503426536436 is 634635624305.

It can be written as a sum of positive squares in only one way, i.e., 437913062500 + 65513473936 = 661750^2 + 255956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503426536433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62928317051 + ... + 62928317058.

It is an arithmetic number, because the mean of its divisors is an integer number (146832739795).

Almost surely, 2^503426536436 is an apocalyptic number.

It is an amenable number.

503426536436 is a deficient number, since it is larger than the sum of its proper divisors (377569902334).

503426536436 is a wasteful number, since it uses less digits than its factorization.

503426536436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125856634113 (or 125856634111 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 47.

The spelling of 503426536436 in words is "five hundred three billion, four hundred twenty-six million, five hundred thirty-six thousand, four hundred thirty-six".