27023201591 has 2 divisors, whose sum is σ = 27023201592. Its totient is φ = 27023201590.

The previous prime is 27023201567. The next prime is 27023201593. The reversal of 27023201591 is 19510232072.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27023201591 is a prime.

Together with 27023201593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27023201593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13511600795 + 13511600796.

It is an arithmetic number, because the mean of its divisors is an integer number (13511600796).

Almost surely, 2^27023201591 is an apocalyptic number.

27023201591 is a deficient number, since it is larger than the sum of its proper divisors (1).

27023201591 is an equidigital number, since it uses as much as digits as its factorization.

27023201591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 27023201591 in words is "twenty-seven billion, twenty-three million, two hundred one thousand, five hundred ninety-one".