19049677674 has 32 divisors (see below), whose sum is σ = 38435444736. Its totient is φ = 6293972160.

The previous prime is 19049677643. The next prime is 19049677679. The reversal of 19049677674 is 47677694091.

It is not an unprimeable number, because it can be changed into a prime (19049677679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839964 + ... + 862344.

It is an arithmetic number, because the mean of its divisors is an integer number (1201107648).

Almost surely, 2^19049677674 is an apocalyptic number.

19049677674 is an abundant number, since it is smaller than the sum of its proper divisors (19385767062).

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

19049677674 is a wasteful number, since it uses less digits than its factorization.

19049677674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23630.

The product of its (nonzero) digits is 16003008, while the sum is 60.

The spelling of 19049677674 in words is "nineteen billion, forty-nine million, six hundred seventy-seven thousand, six hundred seventy-four".