19782068995 has 32 divisors (see below), whose sum is σ = 26551203840. Its totient is φ = 14055024000.

The previous prime is 19782068959. The next prime is 19782069017. The reversal of 19782068995 is 59986028791.

It is not a de Polignac number, because 19782068995 - 2⁹ = 19782068483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125370 + ... + 235120.

It is an arithmetic number, because the mean of its divisors is an integer number (829725120).

Almost surely, 2^19782068995 is an apocalyptic number.

19782068995 is a deficient number, since it is larger than the sum of its proper divisors (6769134845).

19782068995 is a wasteful number, since it uses less digits than its factorization.

19782068995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109875.

The product of its (nonzero) digits is 19595520, while the sum is 64.

It can be divided in two parts, 197820 and 68995, that added together give a triangular number (266815 = T₇₃₀).

The spelling of 19782068995 in words is "nineteen billion, seven hundred eighty-two million, sixty-eight thousand, nine hundred ninety-five".