19317916835 has 48 divisors (see below), whose sum is σ = 28065569472. Its totient is φ = 12502425600.

The previous prime is 19317916831. The next prime is 19317916837. The reversal of 19317916835 is 53861971391.

It is not a de Polignac number, because 19317916835 - 2² = 19317916831 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19317916831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3547715 + ... + 3553155.

It is an arithmetic number, because the mean of its divisors is an integer number (584699364).

Almost surely, 2^19317916835 is an apocalyptic number.

19317916835 is a deficient number, since it is larger than the sum of its proper divisors (8747652637).

19317916835 is a wasteful number, since it uses less digits than its factorization.

19317916835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5772 (or 5753 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 53.

The spelling of 19317916835 in words is "nineteen billion, three hundred seventeen million, nine hundred sixteen thousand, eight hundred thirty-five".