19330144634 has 16 divisors (see below), whose sum is σ = 29163735072. Its totient is φ = 9609055248.

The previous prime is 19330144609. The next prime is 19330144709. The reversal of 19330144634 is 43644103391.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212192 + ... + 289284.

It is an arithmetic number, because the mean of its divisors is an integer number (1822733442).

Almost surely, 2^19330144634 is an apocalyptic number.

19330144634 is a deficient number, since it is larger than the sum of its proper divisors (9833590438).

19330144634 is a wasteful number, since it uses less digits than its factorization.

19330144634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77821.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 19330144634 in words is "nineteen billion, three hundred thirty million, one hundred forty-four thousand, six hundred thirty-four".