19148685484 has 12 divisors (see below), whose sum is σ = 33524243200. Its totient is φ = 9570330288.

The previous prime is 19148685463. The next prime is 19148685503. The reversal of 19148685484 is 48458684191.

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, 992364 + ... + 1011475.

Almost surely, 2^19148685484 is an apocalyptic number.

It is an amenable number.

19148685484 is a deficient number, since it is larger than the sum of its proper divisors (14375557716).

19148685484 is a wasteful number, since it uses less digits than its factorization.

19148685484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006232 (or 2006230 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 58.

The spelling of 19148685484 in words is "nineteen billion, one hundred forty-eight million, six hundred eighty-five thousand, four hundred eighty-four".