2975379668909 has 4 divisors (see below), whose sum is σ = 2975398503840. Its totient is φ = 2975360833980.

The previous prime is 2975379668881. The next prime is 2975379668927. The reversal of 2975379668909 is 9098669735792.

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 2975379668909 - 2²⁸ = 2975111233453 is a prime.

It is a super-2 number, since 2×2975379668909² (a number of 26 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 (2975379664909) 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, 9178487 + ... + 9497124.

It is an arithmetic number, because the mean of its divisors is an integer number (743849625960).

Almost surely, 2^{2975379668909} is an apocalyptic number.

It is an amenable number.

2975379668909 is a deficient number, since it is larger than the sum of its proper divisors (18834931).

2975379668909 is a wasteful number, since it uses less digits than its factorization.

2975379668909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18834930.

The product of its (nonzero) digits is 2777664960, while the sum is 80.

The spelling of 2975379668909 in words is "two trillion, nine hundred seventy-five billion, three hundred seventy-nine million, six hundred sixty-eight thousand, nine hundred nine".