91514119573 has 2 divisors, whose sum is σ = 91514119574. Its totient is φ = 91514119572.

The previous prime is 91514119559. The next prime is 91514119597. The reversal of 91514119573 is 37591141519.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82278332964 + 9235786609 = 286842^2 + 96103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91514119573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91514119523) 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, 45757059786 + 45757059787.

It is an arithmetic number, because the mean of its divisors is an integer number (45757059787).

Almost surely, 2^91514119573 is an apocalyptic number.

It is an amenable number.

91514119573 is a deficient number, since it is larger than the sum of its proper divisors (1).

91514119573 is an equidigital number, since it uses as much as digits as its factorization.

91514119573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 46.

The spelling of 91514119573 in words is "ninety-one billion, five hundred fourteen million, one hundred nineteen thousand, five hundred seventy-three".