82390453571 has 2 divisors, whose sum is σ = 82390453572. Its totient is φ = 82390453570.

The previous prime is 82390453517. The next prime is 82390453603. The reversal of 82390453571 is 17535409328.

Together with previous prime (82390453517) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82390453571 - 2¹⁴ = 82390437187 is a prime.

It is not a weakly prime, because it can be changed into another prime (82390453511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41195226785 + 41195226786.

It is an arithmetic number, because the mean of its divisors is an integer number (41195226786).

Almost surely, 2^82390453571 is an apocalyptic number.

82390453571 is a deficient number, since it is larger than the sum of its proper divisors (1).

82390453571 is an equidigital number, since it uses as much as digits as its factorization.

82390453571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 82390453571 in words is "eighty-two billion, three hundred ninety million, four hundred fifty-three thousand, five hundred seventy-one".