39873534534 has 12 divisors (see below), whose sum is σ = 86392658196. Its totient is φ = 13291178172.

The previous prime is 39873534529. The next prime is 39873534541. The reversal of 39873534534 is 43543537893.

39873534534 is a `hidden beast` number, since 3 + 9 + 8 + 73 + 5 + 34 + 534 = 666.

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, 1107598164 + ... + 1107598199.

It is an arithmetic number, because the mean of its divisors is an integer number (7199388183).

Almost surely, 2^39873534534 is an apocalyptic number.

39873534534 is an abundant number, since it is smaller than the sum of its proper divisors (46519123662).

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

39873534534 is a wasteful number, since it uses less digits than its factorization.

39873534534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215196371 (or 2215196368 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 54.

The spelling of 39873534534 in words is "thirty-nine billion, eight hundred seventy-three million, five hundred thirty-four thousand, five hundred thirty-four".