27489655698472 has 16 divisors (see below), whose sum is σ = 56228841201600. Its totient is φ = 12495298044720.

The previous prime is 27489655698469. The next prime is 27489655698523.

27489655698472 is nontrivially palindromic in base 10.

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, 156191225472 + ... + 156191225647.

It is an arithmetic number, because the mean of its divisors is an integer number (3514302575100).

Almost surely, 2^{27489655698472} is an apocalyptic number.

27489655698472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27489655698472 is an abundant number, since it is smaller than the sum of its proper divisors (28739185503128).

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

27489655698472 is a wasteful number, since it uses less digits than its factorization.

27489655698472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312382451136 (or 312382451132 counting only the distinct ones).

The product of its digits is 14631321600, while the sum is 82.

The spelling of 27489655698472 in words is "twenty-seven trillion, four hundred eighty-nine billion, six hundred fifty-five million, six hundred ninety-eight thousand, four hundred seventy-two".