82211899019 has 2 divisors, whose sum is σ = 82211899020. Its totient is φ = 82211899018.

The previous prime is 82211899013. The next prime is 82211899043. The reversal of 82211899019 is 91099811228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82211899019 - 2³² = 77916931723 is a prime.

It is a super-2 number, since 2×82211899019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82211899013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41105949509 + 41105949510.

It is an arithmetic number, because the mean of its divisors is an integer number (41105949510).

Almost surely, 2^82211899019 is an apocalyptic number.

82211899019 is a deficient number, since it is larger than the sum of its proper divisors (1).

82211899019 is an equidigital number, since it uses as much as digits as its factorization.

82211899019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 50.

The spelling of 82211899019 in words is "eighty-two billion, two hundred eleven million, eight hundred ninety-nine thousand, nineteen".