91453820863318 has 8 divisors (see below), whose sum is σ = 137189408724360. Its totient is φ = 45724017955200.

The previous prime is 91453820863303. The next prime is 91453820863351. The reversal of 91453820863318 is 81336802835419.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446198708 + ... + 1446261943.

It is an arithmetic number, because the mean of its divisors is an integer number (17148676090545).

Almost surely, 2^{91453820863318} is an apocalyptic number.

91453820863318 is a deficient number, since it is larger than the sum of its proper divisors (45735587861042).

91453820863318 is a wasteful number, since it uses less digits than its factorization.

91453820863318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892476462.

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 91453820863318 in words is "ninety-one trillion, four hundred fifty-three billion, eight hundred twenty million, eight hundred sixty-three thousand, three hundred eighteen".