27842032531 has 2 divisors, whose sum is σ = 27842032532. Its totient is φ = 27842032530.

The previous prime is 27842032501. The next prime is 27842032567. The reversal of 27842032531 is 13523024872.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27842032531 - 2²⁹ = 27305161619 is a prime.

It is a super-2 number, since 2×27842032531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27842032501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13921016265 + 13921016266.

It is an arithmetic number, because the mean of its divisors is an integer number (13921016266).

Almost surely, 2^27842032531 is an apocalyptic number.

27842032531 is a deficient number, since it is larger than the sum of its proper divisors (1).

27842032531 is an equidigital number, since it uses as much as digits as its factorization.

27842032531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 27842032531 in words is "twenty-seven billion, eight hundred forty-two million, thirty-two thousand, five hundred thirty-one".