82615429913 has 2 divisors, whose sum is σ = 82615429914. Its totient is φ = 82615429912.

The previous prime is 82615429903. The next prime is 82615429927. The reversal of 82615429913 is 31992451628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49320858889 + 33294571024 = 222083^2 + 182468^2 .

It is a cyclic number.

It is not a de Polignac number, because 82615429913 - 2⁸ = 82615429657 is a prime.

It is not a weakly prime, because it can be changed into another prime (82615429903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41307714956 + 41307714957.

It is an arithmetic number, because the mean of its divisors is an integer number (41307714957).

Almost surely, 2^82615429913 is an apocalyptic number.

It is an amenable number.

82615429913 is a deficient number, since it is larger than the sum of its proper divisors (1).

82615429913 is an equidigital number, since it uses as much as digits as its factorization.

82615429913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 50.

The spelling of 82615429913 in words is "eighty-two billion, six hundred fifteen million, four hundred twenty-nine thousand, nine hundred thirteen".