19370977916 has 12 divisors (see below), whose sum is σ = 34726021680. Its totient is φ = 9449257440.

The previous prime is 19370977903. The next prime is 19370977921. The reversal of 19370977916 is 61977907391.

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, 59057696 + ... + 59058023.

It is an arithmetic number, because the mean of its divisors is an integer number (2893835140).

Almost surely, 2^19370977916 is an apocalyptic number.

It is an amenable number.

19370977916 is a deficient number, since it is larger than the sum of its proper divisors (15355043764).

19370977916 is a wasteful number, since it uses less digits than its factorization.

19370977916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118115764 (or 118115762 counting only the distinct ones).

The product of its (nonzero) digits is 4500846, while the sum is 59.

The spelling of 19370977916 in words is "nineteen billion, three hundred seventy million, nine hundred seventy-seven thousand, nine hundred sixteen".