15589420674 has 16 divisors (see below), whose sum is σ = 31316195808. Its totient is φ = 5173581152.

The previous prime is 15589420663. The next prime is 15589420703. The reversal of 15589420674 is 47602498551.

It is a super-2 number, since 2×15589420674² (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, 5721627 + ... + 5724350.

It is an arithmetic number, because the mean of its divisors is an integer number (1957262238).

Almost surely, 2^15589420674 is an apocalyptic number.

15589420674 is an abundant number, since it is smaller than the sum of its proper divisors (15726775134).

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

15589420674 is a wasteful number, since it uses less digits than its factorization.

15589420674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11446209.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 15589420674 in words is "fifteen billion, five hundred eighty-nine million, four hundred twenty thousand, six hundred seventy-four".