91614309438241 has 2 divisors, whose sum is σ = 91614309438242. Its totient is φ = 91614309438240.

The previous prime is 91614309438161. The next prime is 91614309438299. The reversal of 91614309438241 is 14283490341619.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87053005248400 + 4561304189841 = 9330220^2 + 2135721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91614309438241 is a prime.

It is not a weakly prime, because it can be changed into another prime (91614309438541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45807154719120 + 45807154719121.

It is an arithmetic number, because the mean of its divisors is an integer number (45807154719121).

Almost surely, 2^{91614309438241} is an apocalyptic number.

It is an amenable number.

91614309438241 is a deficient number, since it is larger than the sum of its proper divisors (1).

91614309438241 is an equidigital number, since it uses as much as digits as its factorization.

91614309438241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 55.

The spelling of 91614309438241 in words is "ninety-one trillion, six hundred fourteen billion, three hundred nine million, four hundred thirty-eight thousand, two hundred forty-one".