2975109361309 has 2 divisors, whose sum is σ = 2975109361310. Its totient is φ = 2975109361308.

The previous prime is 2975109361291. The next prime is 2975109361349. The reversal of 2975109361309 is 9031639015792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1487904721209 + 1487204640100 = 1219797^2 + 1219510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2975109361309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2975109361309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2975109361349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1487554680654 + 1487554680655.

It is an arithmetic number, because the mean of its divisors is an integer number (1487554680655).

Almost surely, 2^{2975109361309} is an apocalyptic number.

It is an amenable number.

2975109361309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2975109361309 is an equidigital number, since it uses as much as digits as its factorization.

2975109361309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2755620, while the sum is 55.

The spelling of 2975109361309 in words is "two trillion, nine hundred seventy-five billion, one hundred nine million, three hundred sixty-one thousand, three hundred nine".