7650911969 has 4 divisors (see below), whose sum is σ = 7837519620. Its totient is φ = 7464304320.

The previous prime is 7650911953. The next prime is 7650911987. The reversal of 7650911969 is 9691190567.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4252604944 + 3398307025 = 65212^2 + 58295^2 .

It is a cyclic number.

It is not a de Polignac number, because 7650911969 - 2⁴ = 7650911953 is a prime.

It is a super-2 number, since 2×7650911969² (a number of 21 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 7650911969.

It is not an unprimeable number, because it can be changed into a prime (7650911909) 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, 93303764 + ... + 93303845.

It is an arithmetic number, because the mean of its divisors is an integer number (1959379905).

Almost surely, 2^7650911969 is an apocalyptic number.

It is an amenable number.

7650911969 is a deficient number, since it is larger than the sum of its proper divisors (186607651).

7650911969 is a wasteful number, since it uses less digits than its factorization.

7650911969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186607650.

The product of its (nonzero) digits is 918540, while the sum is 53.

The square root of 7650911969 is about 87469.4916470880. The cubic root of 7650911969 is about 1970.4756312455.

The spelling of 7650911969 in words is "seven billion, six hundred fifty million, nine hundred eleven thousand, nine hundred sixty-nine".