27056013491 has 8 divisors (see below), whose sum is σ = 29141385840. Its totient is φ = 24971232672.

The previous prime is 27056013487. The next prime is 27056013493. The reversal of 27056013491 is 19431065072.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27056013491 - 2² = 27056013487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27056013493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50501 + ... + 238038.

It is an arithmetic number, because the mean of its divisors is an integer number (3642673230).

Almost surely, 2^27056013491 is an apocalyptic number.

27056013491 is a deficient number, since it is larger than the sum of its proper divisors (2085372349).

27056013491 is a wasteful number, since it uses less digits than its factorization.

27056013491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295765.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 27056013491 in words is "twenty-seven billion, fifty-six million, thirteen thousand, four hundred ninety-one".