91983617274482 has 16 divisors (see below), whose sum is σ = 146898763508952. Its totient is φ = 43047256700160.

The previous prime is 91983617274433. The next prime is 91983617274541. The reversal of 91983617274482 is 28447271638919.

It is a Cunningham number, because it is equal to 9590809²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 79023192471001 + 12960424803481 = 8889499^2 + 3600059^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7473475913 + ... + 7473488220.

Almost surely, 2^{91983617274482} is an apocalyptic number.

91983617274482 is a deficient number, since it is larger than the sum of its proper divisors (54915146234470).

91983617274482 is a wasteful number, since it uses less digits than its factorization.

91983617274482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14946964333.

The product of its digits is 292626432, while the sum is 71.

The spelling of 91983617274482 in words is "ninety-one trillion, nine hundred eighty-three billion, six hundred seventeen million, two hundred seventy-four thousand, four hundred eighty-two".