19695942475 has 24 divisors (see below), whose sum is σ = 27801649152. Its totient is φ = 13701520800.

The previous prime is 19695942457. The next prime is 19695942479. The reversal of 19695942475 is 57424959691.

It is not a de Polignac number, because 19695942475 - 2⁵ = 19695942443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19695942479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1550667 + ... + 1563316.

It is an arithmetic number, because the mean of its divisors is an integer number (1158402048).

Almost surely, 2^19695942475 is an apocalyptic number.

19695942475 is a deficient number, since it is larger than the sum of its proper divisors (8105706677).

19695942475 is a wasteful number, since it uses less digits than its factorization.

19695942475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114027 (or 3114022 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 61.

The spelling of 19695942475 in words is "nineteen billion, six hundred ninety-five million, nine hundred forty-two thousand, four hundred seventy-five".