19079426894 has 24 divisors (see below), whose sum is σ = 31473014664. Its totient is φ = 8668162800.

The previous prime is 19079426869. The next prime is 19079426921. The reversal of 19079426894 is 49862497091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497204 + ... + 534200.

It is an arithmetic number, because the mean of its divisors is an integer number (1311375611).

Almost surely, 2^19079426894 is an apocalyptic number.

19079426894 is a deficient number, since it is larger than the sum of its proper divisors (12393587770).

19079426894 is a wasteful number, since it uses less digits than its factorization.

19079426894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39152 (or 39141 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 19079426894 in words is "nineteen billion, seventy-nine million, four hundred twenty-six thousand, eight hundred ninety-four".