7869069681 has 16 divisors (see below), whose sum is σ = 11559250368. Its totient is φ = 4721912000.

The previous prime is 7869069679. The next prime is 7869069709. The reversal of 7869069681 is 1869609687.

It is a cyclic number.

It is not a de Polignac number, because 7869069681 - 2¹ = 7869069679 is a prime.

It is a super-2 number, since 2×7869069681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7869069631) 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, 1177146 + ... + 1183811.

It is an arithmetic number, because the mean of its divisors is an integer number (722453148).

Almost surely, 2^7869069681 is an apocalyptic number.

It is an amenable number.

7869069681 is a deficient number, since it is larger than the sum of its proper divisors (3690180687).

7869069681 is a wasteful number, since it uses less digits than its factorization.

7869069681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361072.

The product of its (nonzero) digits is 7838208, while the sum is 60.

The square root of 7869069681 is about 88707.7768913188. The cubic root of 7869069681 is about 1989.0290694646.

The spelling of 7869069681 in words is "seven billion, eight hundred sixty-nine million, sixty-nine thousand, six hundred eighty-one".