525319797942 has 48 divisors (see below), whose sum is σ = 1198841819760. Its totient is φ = 165787442496.

The previous prime is 525319797917. The next prime is 525319797983. The reversal of 525319797942 is 249797913525.

525319797942 is a `hidden beast` number, since 5 + 2 + 531 + 9 + 7 + 9 + 7 + 94 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 525319797942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75508 + ... + 1027784.

It is an arithmetic number, because the mean of its divisors is an integer number (24975871245).

Almost surely, 2^525319797942 is an apocalyptic number.

525319797942 is an abundant number, since it is smaller than the sum of its proper divisors (673522021818).

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

525319797942 is a wasteful number, since it uses less digits than its factorization.

525319797942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953917 (or 953914 counting only the distinct ones).

The product of its digits is 42865200, while the sum is 63.

The spelling of 525319797942 in words is "five hundred twenty-five billion, three hundred nineteen million, seven hundred ninety-seven thousand, nine hundred forty-two".