83121122265469 has 8 divisors (see below), whose sum is σ = 86838727941720. Its totient is φ = 79460273928000.

The previous prime is 83121122265463. The next prime is 83121122265479. The reversal of 83121122265469 is 96456222112138.

It can be written as a sum of positive squares in 4 ways, for example, as 19065990397444 + 64055131868025 = 4366462^2 + 8003445^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83121122265469 - 2⁷ = 83121122265341 is a prime.

It is a super-2 number, since 2×83121122265469² (a number of 29 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 (83121122265463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14189331702 + ... + 14189337559.

It is an arithmetic number, because the mean of its divisors is an integer number (10854840992715).

Almost surely, 2^{83121122265469} is an apocalyptic number.

It is an amenable number.

83121122265469 is a deficient number, since it is larger than the sum of its proper divisors (3717605676251).

83121122265469 is a wasteful number, since it uses less digits than its factorization.

83121122265469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28378669391.

The product of its digits is 2488320, while the sum is 52.

The spelling of 83121122265469 in words is "eighty-three trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred sixty-five thousand, four hundred sixty-nine".