21597732119274 has 64 divisors (see below), whose sum is σ = 43804396944000. Its totient is φ = 7098407782400.

The previous prime is 21597732119237. The next prime is 21597732119287. The reversal of 21597732119274 is 47291123779512.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144402322 + ... + 144551810.

It is an arithmetic number, because the mean of its divisors is an integer number (684443702250).

Almost surely, 2^{21597732119274} is an apocalyptic number.

21597732119274 is an abundant number, since it is smaller than the sum of its proper divisors (22206664824726).

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

21597732119274 is a wasteful number, since it uses less digits than its factorization.

21597732119274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150583.

The product of its digits is 13335840, while the sum is 60.

The spelling of 21597732119274 in words is "twenty-one trillion, five hundred ninety-seven billion, seven hundred thirty-two million, one hundred nineteen thousand, two hundred seventy-four".