27131632539 has 16 divisors (see below), whose sum is σ = 39748114560. Its totient is φ = 16325112960.

The previous prime is 27131632523. The next prime is 27131632607. The reversal of 27131632539 is 93523613172.

It is not a de Polignac number, because 27131632539 - 2⁴ = 27131632523 is a prime.

It is a super-2 number, since 2×27131632539² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27131632539.

It is not an unprimeable number, because it can be changed into a prime (27131632139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2952862 + ... + 2962035.

It is an arithmetic number, because the mean of its divisors is an integer number (2484257160).

Almost surely, 2^27131632539 is an apocalyptic number.

27131632539 is a deficient number, since it is larger than the sum of its proper divisors (12616482021).

27131632539 is a wasteful number, since it uses less digits than its factorization.

27131632539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915050.

The product of its digits is 204120, while the sum is 42.

The spelling of 27131632539 in words is "twenty-seven billion, one hundred thirty-one million, six hundred thirty-two thousand, five hundred thirty-nine".