27292846391 has 2 divisors, whose sum is σ = 27292846392. Its totient is φ = 27292846390.

The previous prime is 27292846379. The next prime is 27292846397. The reversal of 27292846391 is 19364829272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27292846391 - 2¹⁸ = 27292584247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27292846397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13646423195 + 13646423196.

It is an arithmetic number, because the mean of its divisors is an integer number (13646423196).

Almost surely, 2^27292846391 is an apocalyptic number.

27292846391 is a deficient number, since it is larger than the sum of its proper divisors (1).

27292846391 is an equidigital number, since it uses as much as digits as its factorization.

27292846391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 53.

The spelling of 27292846391 in words is "twenty-seven billion, two hundred ninety-two million, eight hundred forty-six thousand, three hundred ninety-one".