82415269573 has 144 divisors (see below), whose sum is σ = 115064778240. Its totient is φ = 58590604800.

The previous prime is 82415269549. The next prime is 82415269579. The reversal of 82415269573 is 37596251428.

It is a de Polignac number, because none of the positive numbers 2^k-82415269573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82415269573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82415269579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 297527911 + ... + 297528187.

It is an arithmetic number, because the mean of its divisors is an integer number (799060960).

Almost surely, 2^82415269573 is an apocalyptic number.

It is an amenable number.

82415269573 is a deficient number, since it is larger than the sum of its proper divisors (32649508667).

82415269573 is a wasteful number, since it uses less digits than its factorization.

82415269573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 408 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 52.

The spelling of 82415269573 in words is "eighty-two billion, four hundred fifteen million, two hundred sixty-nine thousand, five hundred seventy-three".