19674644098 has 8 divisors (see below), whose sum is σ = 29782718460. Its totient is φ = 9747071280.

The previous prime is 19674644081. The next prime is 19674644111. The reversal of 19674644098 is 89044647691.

It can be written as a sum of positive squares in 2 ways, for example, as 18306901809 + 1367742289 = 135303^2 + 36983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 45125113 + ... + 45125548.

Almost surely, 2^19674644098 is an apocalyptic number.

19674644098 is a deficient number, since it is larger than the sum of its proper divisors (10108074362).

19674644098 is a wasteful number, since it uses less digits than its factorization.

19674644098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90250772.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 19674644098 in words is "nineteen billion, six hundred seventy-four million, six hundred forty-four thousand, ninety-eight".