539718371772 has 48 divisors (see below), whose sum is σ = 1391396735232. Its totient is φ = 161961521920.

The previous prime is 539718371771. The next prime is 539718371779. The reversal of 539718371772 is 277173817935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539718371771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57510054 + ... + 57519437.

It is an arithmetic number, because the mean of its divisors is an integer number (28987431984).

Almost surely, 2^539718371772 is an apocalyptic number.

It is an amenable number.

539718371772 is an abundant number, since it is smaller than the sum of its proper divisors (851678363460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

539718371772 is a wasteful number, since it uses less digits than its factorization.

539718371772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115029538 (or 115029536 counting only the distinct ones).

The product of its digits is 15558480, while the sum is 60.

The spelling of 539718371772 in words is "five hundred thirty-nine billion, seven hundred eighteen million, three hundred seventy-one thousand, seven hundred seventy-two".