538514501772718 has 16 divisors (see below), whose sum is σ = 821134138426560. Its totient is φ = 264804415048800.

The previous prime is 538514501772703. The next prime is 538514501772719. The reversal of 538514501772718 is 817277105415835.

It is a self number, because there is not a number n which added to its sum of digits gives 538514501772718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538514501772719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322351318 + ... + 324017593.

It is an arithmetic number, because the mean of its divisors is an integer number (51320883651660).

Almost surely, 2^{538514501772718} is an apocalyptic number.

538514501772718 is a deficient number, since it is larger than the sum of its proper divisors (282619636653842).

538514501772718 is a wasteful number, since it uses less digits than its factorization.

538514501772718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646375803.

The product of its (nonzero) digits is 65856000, while the sum is 64.

The spelling of 538514501772718 in words is "five hundred thirty-eight trillion, five hundred fourteen billion, five hundred one million, seven hundred seventy-two thousand, seven hundred eighteen".