91370647380251 has 8 divisors (see below), whose sum is σ = 93842028465744. Its totient is φ = 88899366512160.

The previous prime is 91370647380223. The next prime is 91370647380323. The reversal of 91370647380251 is 15208374607319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91370647380251 - 2¹⁰ = 91370647379227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91370647382251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23204420 + ... + 26854913.

It is an arithmetic number, because the mean of its divisors is an integer number (11730253558218).

It is a 1-persistent number, because it is pandigital, but 2⋅91370647380251 = 182741294760502 is not.

Almost surely, 2^{91370647380251} is an apocalyptic number.

91370647380251 is a deficient number, since it is larger than the sum of its proper divisors (2471381085493).

91370647380251 is a wasteful number, since it uses less digits than its factorization.

91370647380251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50108701.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 91370647380251 in words is "ninety-one trillion, three hundred seventy billion, six hundred forty-seven million, three hundred eighty thousand, two hundred fifty-one".