91514538438733 has 2 divisors, whose sum is σ = 91514538438734. Its totient is φ = 91514538438732.

The previous prime is 91514538438679. The next prime is 91514538438773. The reversal of 91514538438733 is 33783483541519.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91470134256004 + 44404182729 = 9564002^2 + 210723^2 .

It is a cyclic number.

It is not a de Polignac number, because 91514538438733 - 2³³ = 91505948504141 is a prime.

It is a super-3 number, since 3×91514538438733³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91514538438773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45757269219366 + 45757269219367.

It is an arithmetic number, because the mean of its divisors is an integer number (45757269219367).

Almost surely, 2^{91514538438733} is an apocalyptic number.

It is an amenable number.

91514538438733 is a deficient number, since it is larger than the sum of its proper divisors (1).

91514538438733 is an equidigital number, since it uses as much as digits as its factorization.

91514538438733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130636800, while the sum is 64.

The spelling of 91514538438733 in words is "ninety-one trillion, five hundred fourteen billion, five hundred thirty-eight million, four hundred thirty-eight thousand, seven hundred thirty-three".