82543229137 has 2 divisors, whose sum is σ = 82543229138. Its totient is φ = 82543229136.

The previous prime is 82543229123. The next prime is 82543229179. The reversal of 82543229137 is 73192234528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63822422161 + 18720806976 = 252631^2 + 136824^2 .

It is a cyclic number.

It is not a de Polignac number, because 82543229137 - 2²³ = 82534840529 is a prime.

It is not a weakly prime, because it can be changed into another prime (82543229117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41271614568 + 41271614569.

It is an arithmetic number, because the mean of its divisors is an integer number (41271614569).

Almost surely, 2^82543229137 is an apocalyptic number.

It is an amenable number.

82543229137 is a deficient number, since it is larger than the sum of its proper divisors (1).

82543229137 is an equidigital number, since it uses as much as digits as its factorization.

82543229137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The spelling of 82543229137 in words is "eighty-two billion, five hundred forty-three million, two hundred twenty-nine thousand, one hundred thirty-seven".