19924689095 has 16 divisors (see below), whose sum is σ = 25335734688. Its totient is φ = 14990469120.

The previous prime is 19924689089. The next prime is 19924689097. The reversal of 19924689095 is 59098642991.

It is a de Polignac number, because none of the positive numbers 2^k-19924689095 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19924689097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19880 + ... + 200610.

It is an arithmetic number, because the mean of its divisors is an integer number (1583483418).

Almost surely, 2^19924689095 is an apocalyptic number.

19924689095 is a deficient number, since it is larger than the sum of its proper divisors (5411045593).

19924689095 is a wasteful number, since it uses less digits than its factorization.

19924689095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182050.

The product of its (nonzero) digits is 12597120, while the sum is 62.

The spelling of 19924689095 in words is "nineteen billion, nine hundred twenty-four million, six hundred eighty-nine thousand, ninety-five".