82513269619 has 4 divisors (see below), whose sum is σ = 90014475960. Its totient is φ = 75012063280.

The previous prime is 82513269589. The next prime is 82513269623. The reversal of 82513269619 is 91696231528.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-82513269619 is a prime.

It is a super-2 number, since 2×82513269619² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82513269689) 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 3 ways as a sum of consecutive naturals, for example, 3750603154 + ... + 3750603175.

It is an arithmetic number, because the mean of its divisors is an integer number (22503618990).

Almost surely, 2^82513269619 is an apocalyptic number.

82513269619 is a deficient number, since it is larger than the sum of its proper divisors (7501206341).

82513269619 is a wasteful number, since it uses less digits than its factorization.

82513269619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501206340.

The product of its digits is 1399680, while the sum is 52.

The spelling of 82513269619 in words is "eighty-two billion, five hundred thirteen million, two hundred sixty-nine thousand, six hundred nineteen".