19860713316 has 18 divisors (see below), whose sum is σ = 50203469862. Its totient is φ = 6620237760.

The previous prime is 19860713251. The next prime is 19860713333. The reversal of 19860713316 is 61331706891.

19860713316 is a `hidden beast` number, since 1 + 9 + 8 + 607 + 1 + 3 + 31 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11081772900 + 8778940416 = 105270^2 + 93696^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275843205 + ... + 275843276.

It is an arithmetic number, because the mean of its divisors is an integer number (2789081659).

Almost surely, 2^19860713316 is an apocalyptic number.

It is an amenable number.

19860713316 is an abundant number, since it is smaller than the sum of its proper divisors (30342756546).

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

19860713316 is a wasteful number, since it uses less digits than its factorization.

19860713316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551686491 (or 551686486 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 19860713316 in words is "nineteen billion, eight hundred sixty million, seven hundred thirteen thousand, three hundred sixteen".