538519086925 has 6 divisors (see below), whose sum is σ = 667763667818. Its totient is φ = 430815269520.

The previous prime is 538519086913. The next prime is 538519086949. The reversal of 538519086925 is 529680915835.

It can be written as a sum of positive squares in 3 ways, for example, as 101325712489 + 437193374436 = 318317^2 + 661206^2 .

It is a de Polignac number, because none of the positive numbers 2^k-538519086925 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10770381714 + ... + 10770381763.

Almost surely, 2^538519086925 is an apocalyptic number.

It is an amenable number.

538519086925 is a deficient number, since it is larger than the sum of its proper divisors (129244580893).

538519086925 is a wasteful number, since it uses less digits than its factorization.

538519086925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21540763487 (or 21540763482 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 61.

The spelling of 538519086925 in words is "five hundred thirty-eight billion, five hundred nineteen million, eighty-six thousand, nine hundred twenty-five".