19942106708 has 12 divisors (see below), whose sum is σ = 36102089940. Its totient is φ = 9627223872.

The previous prime is 19942106699. The next prime is 19942106729. The reversal of 19942106708 is 80760124991.

It can be written as a sum of positive squares in 2 ways, for example, as 13682448784 + 6259657924 = 116972^2 + 79118^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85957241 + ... + 85957472.

It is an arithmetic number, because the mean of its divisors is an integer number (3008507495).

Almost surely, 2^19942106708 is an apocalyptic number.

It is an amenable number.

19942106708 is a deficient number, since it is larger than the sum of its proper divisors (16159983232).

19942106708 is a wasteful number, since it uses less digits than its factorization.

19942106708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171914746 (or 171914744 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 19942106708 in words is "nineteen billion, nine hundred forty-two million, one hundred six thousand, seven hundred eight".