7909047969 has 16 divisors (see below), whose sum is σ = 10913985600. Its totient is φ = 5091056640.

The previous prime is 7909047953. The next prime is 7909048001. The reversal of 7909047969 is 9697409097.

7909047969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7909047969 - 2⁴ = 7909047953 is a prime.

It is a super-2 number, since 2×7909047969² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7909047929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319519 + ... + 343380.

It is an arithmetic number, because the mean of its divisors is an integer number (682124100).

Almost surely, 2^7909047969 is an apocalyptic number.

It is an amenable number.

7909047969 is a deficient number, since it is larger than the sum of its proper divisors (3004937631).

7909047969 is a wasteful number, since it uses less digits than its factorization.

7909047969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663040.

The product of its (nonzero) digits is 7715736, while the sum is 60.

The square root of 7909047969 is about 88932.8284099859. The cubic root of 7909047969 is about 1992.3917581115.

The spelling of 7909047969 in words is "seven billion, nine hundred nine million, forty-seven thousand, nine hundred sixty-nine".