91462082137 has 2 divisors, whose sum is σ = 91462082138. Its totient is φ = 91462082136.

The previous prime is 91462082093. The next prime is 91462082171. The reversal of 91462082137 is 73128026419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90227543641 + 1234538496 = 300379^2 + 35136^2 .

It is a cyclic number.

It is not a de Polignac number, because 91462082137 - 2¹⁵ = 91462049369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91462082093 and 91462082102.

It is not a weakly prime, because it can be changed into another prime (91462082237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45731041068 + 45731041069.

It is an arithmetic number, because the mean of its divisors is an integer number (45731041069).

Almost surely, 2^91462082137 is an apocalyptic number.

It is an amenable number.

91462082137 is a deficient number, since it is larger than the sum of its proper divisors (1).

91462082137 is an equidigital number, since it uses as much as digits as its factorization.

91462082137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 91462082137 in words is "ninety-one billion, four hundred sixty-two million, eighty-two thousand, one hundred thirty-seven".