82924199689 has 2 divisors, whose sum is σ = 82924199690. Its totient is φ = 82924199688.

The previous prime is 82924199641. The next prime is 82924199707. The reversal of 82924199689 is 98699142928.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74594534400 + 8329665289 = 273120^2 + 91267^2 .

It is a cyclic number.

It is not a de Polignac number, because 82924199689 - 2²⁷ = 82789981961 is a prime.

It is a super-2 number, since 2×82924199689² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82924199389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41462099844 + 41462099845.

It is an arithmetic number, because the mean of its divisors is an integer number (41462099845).

Almost surely, 2^82924199689 is an apocalyptic number.

It is an amenable number.

82924199689 is a deficient number, since it is larger than the sum of its proper divisors (1).

82924199689 is an equidigital number, since it uses as much as digits as its factorization.

82924199689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40310784, while the sum is 67.

The spelling of 82924199689 in words is "eighty-two billion, nine hundred twenty-four million, one hundred ninety-nine thousand, six hundred eighty-nine".