91463645995 has 8 divisors (see below), whose sum is σ = 115533026640. Its totient is φ = 69319815840.

The previous prime is 91463645993. The next prime is 91463646023. The reversal of 91463645995 is 59954636419.

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

It is not a de Polignac number, because 91463645995 - 2¹ = 91463645993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91463645993) 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, 481387516 + ... + 481387705.

It is an arithmetic number, because the mean of its divisors is an integer number (14441628330).

Almost surely, 2^91463645995 is an apocalyptic number.

91463645995 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

91463645995 is a deficient number, since it is larger than the sum of its proper divisors (24069380645).

91463645995 is a wasteful number, since it uses less digits than its factorization.

91463645995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962775245.

The product of its digits is 31492800, while the sum is 61.

The spelling of 91463645995 in words is "ninety-one billion, four hundred sixty-three million, six hundred forty-five thousand, nine hundred ninety-five".