7669634869 has 8 divisors (see below), whose sum is σ = 8272501272. Its totient is φ = 7068610560.

The previous prime is 7669634827. The next prime is 7669634891. The reversal of 7669634869 is 9684369667.

It can be written as a sum of positive squares in 4 ways, for example, as 61434244 + 7608200625 = 7838^2 + 87225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7669634869 - 2⁷ = 7669634741 is a prime.

It is a super-2 number, since 2×7669634869² (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 7669634869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7669631869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451864 + ... + 468529.

It is an arithmetic number, because the mean of its divisors is an integer number (1034062659).

Almost surely, 2^7669634869 is an apocalyptic number.

It is an amenable number.

7669634869 is a deficient number, since it is larger than the sum of its proper divisors (602866403).

7669634869 is a wasteful number, since it uses less digits than its factorization.

7669634869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921047.

The product of its digits is 70543872, while the sum is 64.

The square root of 7669634869 is about 87576.4515666169. The cubic root of 7669634869 is about 1972.0816691919.

The spelling of 7669634869 in words is "seven billion, six hundred sixty-nine million, six hundred thirty-four thousand, eight hundred sixty-nine".