19716970674 has 16 divisors (see below), whose sum is σ = 39438597312. Its totient is φ = 6571547568.

The previous prime is 19716970661. The next prime is 19716970699. The reversal of 19716970674 is 47607961791.

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, 137689 + ... + 241644.

It is an arithmetic number, because the mean of its divisors is an integer number (2464912332).

Almost surely, 2^19716970674 is an apocalyptic number.

19716970674 is an abundant number, since it is smaller than the sum of its proper divisors (19721626638).

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

19716970674 is a wasteful number, since it uses less digits than its factorization.

19716970674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388001.

The product of its (nonzero) digits is 4000752, while the sum is 57.

The spelling of 19716970674 in words is "nineteen billion, seven hundred sixteen million, nine hundred seventy thousand, six hundred seventy-four".