91496217253 has 8 divisors (see below), whose sum is σ = 104571636608. Its totient is φ = 78421930704.

The previous prime is 91496217221. The next prime is 91496217287. The reversal of 91496217253 is 35271269419.

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 91496217253 - 2⁵ = 91496217221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91496217197 and 91496217206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91496217203) 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, 102426 + ... + 439867.

It is an arithmetic number, because the mean of its divisors is an integer number (13071454576).

Almost surely, 2^91496217253 is an apocalyptic number.

It is an amenable number.

91496217253 is a deficient number, since it is larger than the sum of its proper divisors (13075419355).

91496217253 is a wasteful number, since it uses less digits than its factorization.

91496217253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566403.

The product of its digits is 816480, while the sum is 49.

The spelling of 91496217253 in words is "ninety-one billion, four hundred ninety-six million, two hundred seventeen thousand, two hundred fifty-three".