19404091298 has 16 divisors (see below), whose sum is σ = 29252845440. Its totient is φ = 9653170800.

The previous prime is 19404091283. The next prime is 19404091303. The reversal of 19404091298 is 89219040491.

It is a super-2 number, since 2×19404091298² (a number of 21 digits) contains 22 as substring.

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, 2388263 + ... + 2396373.

It is an arithmetic number, because the mean of its divisors is an integer number (1828302840).

Almost surely, 2^19404091298 is an apocalyptic number.

19404091298 is a deficient number, since it is larger than the sum of its proper divisors (9848754142).

19404091298 is a wasteful number, since it uses less digits than its factorization.

19404091298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13993.

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 19404091298 in words is "nineteen billion, four hundred four million, ninety-one thousand, two hundred ninety-eight".