19942933075 has 24 divisors (see below), whose sum is σ = 27198134208. Its totient is φ = 14413735680.

The previous prime is 19942933061. The next prime is 19942933093. The reversal of 19942933075 is 57033924991.

It is a happy number.

It is not a de Polignac number, because 19942933075 - 2²¹ = 19940835923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 637522 + ... + 668071.

It is an arithmetic number, because the mean of its divisors is an integer number (1133255592).

Almost surely, 2^19942933075 is an apocalyptic number.

19942933075 is a deficient number, since it is larger than the sum of its proper divisors (7255201133).

19942933075 is a wasteful number, since it uses less digits than its factorization.

19942933075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305663 (or 1305658 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 52.

The spelling of 19942933075 in words is "nineteen billion, nine hundred forty-two million, nine hundred thirty-three thousand, seventy-five".