19307308434 has 8 divisors (see below), whose sum is σ = 38614616880. Its totient is φ = 6435769476.

The previous prime is 19307308409. The next prime is 19307308457. The reversal of 19307308434 is 43480370391.

It is a sphenic number, since it is the product of 3 distinct primes.

19307308434 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1608942364 + ... + 1608942375.

It is an arithmetic number, because the mean of its divisors is an integer number (4826827110).

Almost surely, 2^19307308434 is an apocalyptic number.

19307308434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19307308434 is a wasteful number, since it uses less digits than its factorization.

19307308434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217884744.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 19307308434 in words is "nineteen billion, three hundred seven million, three hundred eight thousand, four hundred thirty-four".