84924441491 has 2 divisors, whose sum is σ = 84924441492. Its totient is φ = 84924441490.

The previous prime is 84924441479. The next prime is 84924441527. The reversal of 84924441491 is 19414442948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84924441491 - 2³⁴ = 67744572307 is a prime.

It is not a weakly prime, because it can be changed into another prime (84924441461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42462220745 + 42462220746.

It is an arithmetic number, because the mean of its divisors is an integer number (42462220746).

Almost surely, 2^84924441491 is an apocalyptic number.

84924441491 is a deficient number, since it is larger than the sum of its proper divisors (1).

84924441491 is an equidigital number, since it uses as much as digits as its factorization.

84924441491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 50.

The spelling of 84924441491 in words is "eighty-four billion, nine hundred twenty-four million, four hundred forty-one thousand, four hundred ninety-one".