19702039914 has 16 divisors (see below), whose sum is σ = 43782311040. Its totient is φ = 6567346620.

The previous prime is 19702039909. The next prime is 19702039927. The reversal of 19702039914 is 41993020791.

It is a self number, because there is not a number n which added to its sum of digits gives 19702039914.

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, 182426242 + ... + 182426349.

It is an arithmetic number, because the mean of its divisors is an integer number (2736394440).

Almost surely, 2^19702039914 is an apocalyptic number.

19702039914 is an abundant number, since it is smaller than the sum of its proper divisors (24080271126).

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

19702039914 is a wasteful number, since it uses less digits than its factorization.

19702039914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364852602 (or 364852596 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 19702039914 in words is "nineteen billion, seven hundred two million, thirty-nine thousand, nine hundred fourteen".