791634498089 has 16 divisors (see below), whose sum is σ = 807357082752. Its totient is φ = 776057263488.

The previous prime is 791634498007. The next prime is 791634498197. The reversal of 791634498089 is 980894436197.

It is a cyclic number.

It is not a de Polignac number, because 791634498089 - 2⁸ = 791634497833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791634494089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8458619 + ... + 8551695.

It is an arithmetic number, because the mean of its divisors is an integer number (50459817672).

Almost surely, 2^791634498089 is an apocalyptic number.

It is an amenable number.

791634498089 is a deficient number, since it is larger than the sum of its proper divisors (15722584663).

791634498089 is a wasteful number, since it uses less digits than its factorization.

791634498089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93856.

The product of its (nonzero) digits is 94058496, while the sum is 68.

The spelling of 791634498089 in words is "seven hundred ninety-one billion, six hundred thirty-four million, four hundred ninety-eight thousand, eighty-nine".