27560492961 has 4 divisors (see below), whose sum is σ = 36747323952. Its totient is φ = 18373661972.

The previous prime is 27560492957. The next prime is 27560492963. The reversal of 27560492961 is 16929406572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27560492961 - 2² = 27560492957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27560492963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4593415491 + ... + 4593415496.

It is an arithmetic number, because the mean of its divisors is an integer number (9186830988).

Almost surely, 2^27560492961 is an apocalyptic number.

It is an amenable number.

27560492961 is a deficient number, since it is larger than the sum of its proper divisors (9186830991).

27560492961 is an equidigital number, since it uses as much as digits as its factorization.

27560492961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9186830990.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 27560492961 in words is "twenty-seven billion, five hundred sixty million, four hundred ninety-two thousand, nine hundred sixty-one".