82646371913 has 64 divisors (see below), whose sum is σ = 103691404800. Its totient is φ = 64275628032.

The previous prime is 82646371903. The next prime is 82646371957. The reversal of 82646371913 is 31917364628.

It is not a de Polignac number, because 82646371913 - 2⁶ = 82646371849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82646371903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86721845 + ... + 86722797.

It is an arithmetic number, because the mean of its divisors is an integer number (1620178200).

Almost surely, 2^82646371913 is an apocalyptic number.

It is an amenable number.

82646371913 is a deficient number, since it is larger than the sum of its proper divisors (21045032887).

82646371913 is a wasteful number, since it uses less digits than its factorization.

82646371913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266.

The product of its digits is 1306368, while the sum is 50.

The spelling of 82646371913 in words is "eighty-two billion, six hundred forty-six million, three hundred seventy-one thousand, nine hundred thirteen".