91734507459 has 12 divisors (see below), whose sum is σ = 151434742576. Its totient is φ = 52419718512.

The previous prime is 91734507427. The next prime is 91734507479. The reversal of 91734507459 is 95470543719.

91734507459 is a `hidden beast` number, since 9 + 1 + 73 + 450 + 74 + 59 = 666.

It is not a de Polignac number, because 91734507459 - 2⁵ = 91734507427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91734507479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 728051584 + ... + 728051709.

Almost surely, 2^91734507459 is an apocalyptic number.

91734507459 is a deficient number, since it is larger than the sum of its proper divisors (59700235117).

91734507459 is a wasteful number, since it uses less digits than its factorization.

91734507459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456103306 (or 1456103303 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The spelling of 91734507459 in words is "ninety-one billion, seven hundred thirty-four million, five hundred seven thousand, four hundred fifty-nine".