82413261669 has 4 divisors (see below), whose sum is σ = 109884348896. Its totient is φ = 54942174444.

The previous prime is 82413261617. The next prime is 82413261701. The reversal of 82413261669 is 96616231428.

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 not a de Polignac number, because 82413261669 - 2²⁷ = 82279043941 is a prime.

It is a super-2 number, since 2×82413261669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82413261869) 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 3 ways as a sum of consecutive naturals, for example, 13735543609 + ... + 13735543614.

It is an arithmetic number, because the mean of its divisors is an integer number (27471087224).

Almost surely, 2^82413261669 is an apocalyptic number.

It is an amenable number.

82413261669 is a deficient number, since it is larger than the sum of its proper divisors (27471087227).

82413261669 is a wasteful number, since it uses less digits than its factorization.

82413261669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27471087226.

The product of its digits is 746496, while the sum is 48.

The spelling of 82413261669 in words is "eighty-two billion, four hundred thirteen million, two hundred sixty-one thousand, six hundred sixty-nine".