19452941868 has 24 divisors (see below), whose sum is σ = 45392881072. Its totient is φ = 6483930624.

The previous prime is 19452941803. The next prime is 19452941897. The reversal of 19452941868 is 86814925491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226296 + ... + 300192.

Almost surely, 2^19452941868 is an apocalyptic number.

It is an amenable number.

19452941868 is an abundant number, since it is smaller than the sum of its proper divisors (25939939204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19452941868 is a wasteful number, since it uses less digits than its factorization.

19452941868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95841 (or 95839 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 57.

The spelling of 19452941868 in words is "nineteen billion, four hundred fifty-two million, nine hundred forty-one thousand, eight hundred sixty-eight".