6986889269 has 2 divisors, whose sum is σ = 6986889270. Its totient is φ = 6986889268.

The previous prime is 6986889263. The next prime is 6986889289. The reversal of 6986889269 is 9629886896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6945222244 + 41667025 = 83338^2 + 6455^2 .

It is a cyclic number.

It is not a de Polignac number, because 6986889269 - 2²⁸ = 6718453813 is a prime.

It is a super-2 number, since 2×6986889269² = 97633243314534708722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6986889263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3493444634 + 3493444635.

It is an arithmetic number, because the mean of its divisors is an integer number (3493444635).

Almost surely, 2^6986889269 is an apocalyptic number.

It is an amenable number.

6986889269 is a deficient number, since it is larger than the sum of its proper divisors (1).

6986889269 is an equidigital number, since it uses as much as digits as its factorization.

6986889269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161243136, while the sum is 71.

The square root of 6986889269 is about 83587.6143277220. The cubic root of 6986889269 is about 1911.7361541827.

The spelling of 6986889269 in words is "six billion, nine hundred eighty-six million, eight hundred eighty-nine thousand, two hundred sixty-nine".