3109405172669 has 8 divisors (see below), whose sum is σ = 3117197021568. Its totient is φ = 3101619255840.

The previous prime is 3109405172663. The next prime is 3109405172707. The reversal of 3109405172669 is 9662715049013.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3109405172669 is a prime.

It is a super-2 number, since 2×3109405172669² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3109405172669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3109405172663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432437 + ... + 2530970.

It is an arithmetic number, because the mean of its divisors is an integer number (389649627696).

Almost surely, 2^{3109405172669} is an apocalyptic number.

It is an amenable number.

3109405172669 is a deficient number, since it is larger than the sum of its proper divisors (7791848899).

3109405172669 is a wasteful number, since it uses less digits than its factorization.

3109405172669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966035.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 3109405172669 in words is "three trillion, one hundred nine billion, four hundred five million, one hundred seventy-two thousand, six hundred sixty-nine".