39969718122 has 16 divisors (see below), whose sum is σ = 79993357920. Its totient is φ = 13314252432.

The previous prime is 39969718111. The next prime is 39969718193. The reversal of 39969718122 is 22181796993.

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, 2237097 + ... + 2254892.

It is an arithmetic number, because the mean of its divisors is an integer number (4999584870).

Almost surely, 2^39969718122 is an apocalyptic number.

39969718122 is an abundant number, since it is smaller than the sum of its proper divisors (40023639798).

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

39969718122 is a wasteful number, since it uses less digits than its factorization.

39969718122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493477.

The product of its digits is 2939328, while the sum is 57.

The spelling of 39969718122 in words is "thirty-nine billion, nine hundred sixty-nine million, seven hundred eighteen thousand, one hundred twenty-two".