39497519516 has 24 divisors (see below), whose sum is σ = 85071581280. Its totient is φ = 15625392192.

The previous prime is 39497519437. The next prime is 39497519521. The reversal of 39497519516 is 61591579493.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54254471 + ... + 54255198.

It is an arithmetic number, because the mean of its divisors is an integer number (3544649220).

Almost surely, 2^39497519516 is an apocalyptic number.

It is an amenable number.

39497519516 is an abundant number, since it is smaller than the sum of its proper divisors (45574061764).

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

39497519516 is a wasteful number, since it uses less digits than its factorization.

39497519516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108509693 (or 108509691 counting only the distinct ones).

The product of its digits is 9185400, while the sum is 59.

The spelling of 39497519516 in words is "thirty-nine billion, four hundred ninety-seven million, five hundred nineteen thousand, five hundred sixteen".