27292408716431 has 2 divisors, whose sum is σ = 27292408716432. Its totient is φ = 27292408716430.

The previous prime is 27292408716341. The next prime is 27292408716491. The reversal of 27292408716431 is 13461780429272.

Together with previous prime (27292408716341) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27292408716431 is a prime.

It is a super-3 number, since 3×27292408716431³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27292408716491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13646204358215 + 13646204358216.

It is an arithmetic number, because the mean of its divisors is an integer number (13646204358216).

Almost surely, 2^{27292408716431} is an apocalyptic number.

27292408716431 is a deficient number, since it is larger than the sum of its proper divisors (1).

27292408716431 is an equidigital number, since it uses as much as digits as its factorization.

27292408716431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 27292408716431 in words is "twenty-seven trillion, two hundred ninety-two billion, four hundred eight million, seven hundred sixteen thousand, four hundred thirty-one".