503064653021 has 16 divisors (see below), whose sum is σ = 613397473920. Its totient is φ = 402735690240.

The previous prime is 503064652999. The next prime is 503064653027. The reversal of 503064653021 is 120356460305.

It is a de Polignac number, because none of the positive numbers 2^k-503064653021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503064653027) 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 in 15 ways as a sum of consecutive naturals, for example, 16119656 + ... + 16150833.

It is an arithmetic number, because the mean of its divisors is an integer number (38337342120).

Almost surely, 2^503064653021 is an apocalyptic number.

It is an amenable number.

503064653021 is a deficient number, since it is larger than the sum of its proper divisors (110332820899).

503064653021 is a wasteful number, since it uses less digits than its factorization.

503064653021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32270644.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 503064653021 in words is "five hundred three billion, sixty-four million, six hundred fifty-three thousand, twenty-one".