27552426431 has 2 divisors, whose sum is σ = 27552426432. Its totient is φ = 27552426430.

The previous prime is 27552426403. The next prime is 27552426437. The reversal of 27552426431 is 13462425572.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27552426431 - 2⁶ = 27552426367 is a prime.

It is a super-2 number, since 2×27552426431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27552426437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13776213215 + 13776213216.

It is an arithmetic number, because the mean of its divisors is an integer number (13776213216).

Almost surely, 2^27552426431 is an apocalyptic number.

27552426431 is a deficient number, since it is larger than the sum of its proper divisors (1).

27552426431 is an equidigital number, since it uses as much as digits as its factorization.

27552426431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 41.

The spelling of 27552426431 in words is "twenty-seven billion, five hundred fifty-two million, four hundred twenty-six thousand, four hundred thirty-one".