19423270466 has 16 divisors (see below), whose sum is σ = 29961640800. Its totient is φ = 9439756128.

The previous prime is 19423270411. The next prime is 19423270487. The reversal of 19423270466 is 66407232491.

It is a Curzon number.

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, 914240 + ... + 935243.

It is an arithmetic number, because the mean of its divisors is an integer number (1872602550).

Almost surely, 2^19423270466 is an apocalyptic number.

19423270466 is a deficient number, since it is larger than the sum of its proper divisors (10538370334).

19423270466 is a wasteful number, since it uses less digits than its factorization.

19423270466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849633.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 19423270466 in words is "nineteen billion, four hundred twenty-three million, two hundred seventy thousand, four hundred sixty-six".