503961542385 has 32 divisors (see below), whose sum is σ = 922197234432. Its totient is φ = 230215530240.

The previous prime is 503961542377. The next prime is 503961542389. The reversal of 503961542385 is 583245169305.

It is not a de Polignac number, because 503961542385 - 2³ = 503961542377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (503961542389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1592734 + ... + 1882743.

It is an arithmetic number, because the mean of its divisors is an integer number (28818663576).

Almost surely, 2^503961542385 is an apocalyptic number.

It is an amenable number.

503961542385 is a deficient number, since it is larger than the sum of its proper divisors (418235692047).

503961542385 is a wasteful number, since it uses less digits than its factorization.

503961542385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476873.

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 503961542385 in words is "five hundred three billion, nine hundred sixty-one million, five hundred forty-two thousand, three hundred eighty-five".