82449430969 has 2 divisors, whose sum is σ = 82449430970. Its totient is φ = 82449430968.

The previous prime is 82449430937. The next prime is 82449430979. The reversal of 82449430969 is 96903494428.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82357520400 + 91910569 = 286980^2 + 9587^2 .

It is a cyclic number.

It is not a de Polignac number, because 82449430969 - 2⁵ = 82449430937 is a prime.

It is a super-2 number, since 2×82449430969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82449430979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41224715484 + 41224715485.

It is an arithmetic number, because the mean of its divisors is an integer number (41224715485).

Almost surely, 2^82449430969 is an apocalyptic number.

It is an amenable number.

82449430969 is a deficient number, since it is larger than the sum of its proper divisors (1).

82449430969 is an equidigital number, since it uses as much as digits as its factorization.

82449430969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13436928, while the sum is 58.

The spelling of 82449430969 in words is "eighty-two billion, four hundred forty-nine million, four hundred thirty thousand, nine hundred sixty-nine".