503494678045 has 32 divisors (see below), whose sum is σ = 615852357120. Its totient is φ = 395097930240.

The previous prime is 503494678039. The next prime is 503494678061. The reversal of 503494678045 is 540876494305.

It is not a de Polignac number, because 503494678045 - 2⁹ = 503494677533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42422202 + ... + 42434068.

It is an arithmetic number, because the mean of its divisors is an integer number (19245386160).

Almost surely, 2^503494678045 is an apocalyptic number.

It is an amenable number.

503494678045 is a deficient number, since it is larger than the sum of its proper divisors (112357679075).

503494678045 is a wasteful number, since it uses less digits than its factorization.

503494678045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12645.

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 503494678045 in words is "five hundred three billion, four hundred ninety-four million, six hundred seventy-eight thousand, forty-five".