6957620609 has 4 divisors (see below), whose sum is σ = 6959928240. Its totient is φ = 6955312980.

The previous prime is 6957620591. The next prime is 6957620623. The reversal of 6957620609 is 9060267596.

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 6957620609 - 2²⁰ = 6956572033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6957620629) 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, 1149287 + ... + 1155324.

It is an arithmetic number, because the mean of its divisors is an integer number (1739982060).

Almost surely, 2^6957620609 is an apocalyptic number.

It is an amenable number.

6957620609 is a deficient number, since it is larger than the sum of its proper divisors (2307631).

6957620609 is a wasteful number, since it uses less digits than its factorization.

6957620609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307630.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The square root of 6957620609 is about 83412.3528561567. The cubic root of 6957620609 is about 1909.0629440402.

The spelling of 6957620609 in words is "six billion, nine hundred fifty-seven million, six hundred twenty thousand, six hundred nine".