19959066234 has 24 divisors (see below), whose sum is σ = 43248265632. Its totient is φ = 6652464840.

The previous prime is 19959066187. The next prime is 19959066263. The reversal of 19959066234 is 43266095991.

19959066234 is a `hidden beast` number, since 1 + 9 + 9 + 5 + 9 + 0 + 6 + 623 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 213877 + ... + 292679.

It is an arithmetic number, because the mean of its divisors is an integer number (1802011068).

Almost surely, 2^19959066234 is an apocalyptic number.

19959066234 is an abundant number, since it is smaller than the sum of its proper divisors (23289199398).

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

19959066234 is a wasteful number, since it uses less digits than its factorization.

19959066234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92882 (or 92879 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 19959066234 in words is "nineteen billion, nine hundred fifty-nine million, sixty-six thousand, two hundred thirty-four".