82963920491 has 2 divisors, whose sum is σ = 82963920492. Its totient is φ = 82963920490.

The previous prime is 82963920433. The next prime is 82963920493. The reversal of 82963920491 is 19402936928.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82963920491 - 2¹⁸ = 82963658347 is a prime.

Together with 82963920493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (82963920493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41481960245 + 41481960246.

It is an arithmetic number, because the mean of its divisors is an integer number (41481960246).

Almost surely, 2^82963920491 is an apocalyptic number.

82963920491 is a deficient number, since it is larger than the sum of its proper divisors (1).

82963920491 is an equidigital number, since it uses as much as digits as its factorization.

82963920491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The spelling of 82963920491 in words is "eighty-two billion, nine hundred sixty-three million, nine hundred twenty thousand, four hundred ninety-one".