91320362355401 has 2 divisors, whose sum is σ = 91320362355402. Its totient is φ = 91320362355400.

The previous prime is 91320362355359. The next prime is 91320362355421. The reversal of 91320362355401 is 10455326302319.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73458201242176 + 17862161113225 = 8570776^2 + 4226365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91320362355401 is a prime.

It is not a weakly prime, because it can be changed into another prime (91320362355421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45660181177700 + 45660181177701.

It is an arithmetic number, because the mean of its divisors is an integer number (45660181177701).

Almost surely, 2^{91320362355401} is an apocalyptic number.

It is an amenable number.

91320362355401 is a deficient number, since it is larger than the sum of its proper divisors (1).

91320362355401 is an equidigital number, since it uses as much as digits as its factorization.

91320362355401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 91320362355401 in words is "ninety-one trillion, three hundred twenty billion, three hundred sixty-two million, three hundred fifty-five thousand, four hundred one".