27070373531 has 2 divisors, whose sum is σ = 27070373532. Its totient is φ = 27070373530.

The previous prime is 27070373527. The next prime is 27070373543. The reversal of 27070373531 is 13537307072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27070373531 - 2² = 27070373527 is a prime.

It is a super-2 number, since 2×27070373531² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27070373591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13535186765 + 13535186766.

It is an arithmetic number, because the mean of its divisors is an integer number (13535186766).

Almost surely, 2^27070373531 is an apocalyptic number.

27070373531 is a deficient number, since it is larger than the sum of its proper divisors (1).

27070373531 is an equidigital number, since it uses as much as digits as its factorization.

27070373531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92610, while the sum is 38.

The spelling of 27070373531 in words is "twenty-seven billion, seventy million, three hundred seventy-three thousand, five hundred thirty-one".