503420330042999 has 16 divisors (see below), whose sum is σ = 518111871993600. Its totient is φ = 488785948763904.

The previous prime is 503420330042989. The next prime is 503420330043053. The reversal of 503420330042999 is 999240033024305.

It is a cyclic number.

It is not a de Polignac number, because 503420330042999 - 2⁴⁸ = 221945353332343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503420330042999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503420330042909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2622854867 + ... + 2623046795.

It is an arithmetic number, because the mean of its divisors is an integer number (32381991999600).

Almost surely, 2^{503420330042999} is an apocalyptic number.

503420330042999 is a deficient number, since it is larger than the sum of its proper divisors (14691541950601).

503420330042999 is a wasteful number, since it uses less digits than its factorization.

503420330042999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340442.

The product of its (nonzero) digits is 6298560, while the sum is 53.

The spelling of 503420330042999 in words is "five hundred three trillion, four hundred twenty billion, three hundred thirty million, forty-two thousand, nine hundred ninety-nine".