82428226613 has 4 divisors (see below), whose sum is σ = 83658498720. Its totient is φ = 81197954508.

The previous prime is 82428226603. The next prime is 82428226619. The reversal of 82428226613 is 31662282428.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82428226613 - 2¹⁶ = 82428161077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82428226619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615135953 + ... + 615136086.

It is an arithmetic number, because the mean of its divisors is an integer number (20914624680).

Almost surely, 2^82428226613 is an apocalyptic number.

It is an amenable number.

82428226613 is a deficient number, since it is larger than the sum of its proper divisors (1230272107).

82428226613 is a wasteful number, since it uses less digits than its factorization.

82428226613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230272106.

The product of its digits is 442368, while the sum is 44.

The spelling of 82428226613 in words is "eighty-two billion, four hundred twenty-eight million, two hundred twenty-six thousand, six hundred thirteen".