91368795485 has 32 divisors (see below), whose sum is σ = 123321457152. Its totient is φ = 64402145280.

The previous prime is 91368795481. The next prime is 91368795499. The reversal of 91368795485 is 58459786319.

It is not a de Polignac number, because 91368795485 - 2² = 91368795481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91368795481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435644 + ... + 610346.

It is an arithmetic number, because the mean of its divisors is an integer number (3853795536).

Almost surely, 2^91368795485 is an apocalyptic number.

It is an amenable number.

91368795485 is a deficient number, since it is larger than the sum of its proper divisors (31952661667).

91368795485 is a wasteful number, since it uses less digits than its factorization.

91368795485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175013.

The product of its digits is 65318400, while the sum is 65.

The spelling of 91368795485 in words is "ninety-one billion, three hundred sixty-eight million, seven hundred ninety-five thousand, four hundred eighty-five".