501604430632117 has 16 divisors (see below), whose sum is σ = 523594496899584. Its totient is φ = 480003818112000.

The previous prime is 501604430632079. The next prime is 501604430632157. The reversal of 501604430632117 is 711236034406105.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501604430632117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501604430632157) 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, 218640828 + ... + 220923109.

It is an arithmetic number, because the mean of its divisors is an integer number (32724656056224).

Almost surely, 2^{501604430632117} is an apocalyptic number.

It is an amenable number.

501604430632117 is a deficient number, since it is larger than the sum of its proper divisors (21990066267467).

501604430632117 is a wasteful number, since it uses less digits than its factorization.

501604430632117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439564380.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 501604430632117 in words is "five hundred one trillion, six hundred four billion, four hundred thirty million, six hundred thirty-two thousand, one hundred seventeen".