19432068234 has 16 divisors (see below), whose sum is σ = 38895020640. Its totient is φ = 6472208720.

The previous prime is 19432068211. The next prime is 19432068239. The reversal of 19432068234 is 43286023491.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19432068239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278657 + ... + 1293764.

It is an arithmetic number, because the mean of its divisors is an integer number (2430938790).

Almost surely, 2^19432068234 is an apocalyptic number.

19432068234 is an abundant number, since it is smaller than the sum of its proper divisors (19462952406).

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

19432068234 is a wasteful number, since it uses less digits than its factorization.

19432068234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573685.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 19432068234 in words is "nineteen billion, four hundred thirty-two million, sixty-eight thousand, two hundred thirty-four".