91432662583 has 2 divisors, whose sum is σ = 91432662584. Its totient is φ = 91432662582.

The previous prime is 91432662577. The next prime is 91432662631. The reversal of 91432662583 is 38526623419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91432662583 - 2⁵ = 91432662551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91432662883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45716331291 + 45716331292.

It is an arithmetic number, because the mean of its divisors is an integer number (45716331292).

Almost surely, 2^91432662583 is an apocalyptic number.

91432662583 is a deficient number, since it is larger than the sum of its proper divisors (1).

91432662583 is an equidigital number, since it uses as much as digits as its factorization.

91432662583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 49.

The spelling of 91432662583 in words is "ninety-one billion, four hundred thirty-two million, six hundred sixty-two thousand, five hundred eighty-three".