91459640995 has 8 divisors (see below), whose sum is σ = 109786753440. Its totient is φ = 73144256640.

The previous prime is 91459640983. The next prime is 91459641001. The reversal of 91459640995 is 59904695419.

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

It is not a de Polignac number, because 91459640995 - 2²¹ = 91457543843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2914855 + ... + 2946064.

It is an arithmetic number, because the mean of its divisors is an integer number (13723344180).

Almost surely, 2^91459640995 is an apocalyptic number.

91459640995 is a deficient number, since it is larger than the sum of its proper divisors (18327112445).

91459640995 is a wasteful number, since it uses less digits than its factorization.

91459640995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864045.

The product of its (nonzero) digits is 15746400, while the sum is 61.

The spelling of 91459640995 in words is "ninety-one billion, four hundred fifty-nine million, six hundred forty thousand, nine hundred ninety-five".