91412422531 has 2 divisors, whose sum is σ = 91412422532. Its totient is φ = 91412422530.

The previous prime is 91412422511. The next prime is 91412422553. The reversal of 91412422531 is 13522421419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91412422531 - 2⁷ = 91412422403 is a prime.

It is a super-2 number, since 2×91412422531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (91412422501) 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, 45706211265 + 45706211266.

It is an arithmetic number, because the mean of its divisors is an integer number (45706211266).

Almost surely, 2^91412422531 is an apocalyptic number.

91412422531 is a deficient number, since it is larger than the sum of its proper divisors (1).

91412422531 is an equidigital number, since it uses as much as digits as its factorization.

91412422531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The spelling of 91412422531 in words is "ninety-one billion, four hundred twelve million, four hundred twenty-two thousand, five hundred thirty-one".