7685256269 has 2 divisors, whose sum is σ = 7685256270. Its totient is φ = 7685256268.

The previous prime is 7685256253. The next prime is 7685256281. The reversal of 7685256269 is 9626525867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7525562500 + 159693769 = 86750^2 + 12637^2 .

It is a cyclic number.

It is not a de Polignac number, because 7685256269 - 2⁴ = 7685256253 is a prime.

It is a super-2 number, since 2×7685256269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7685246269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3842628134 + 3842628135.

It is an arithmetic number, because the mean of its divisors is an integer number (3842628135).

Almost surely, 2^7685256269 is an apocalyptic number.

It is an amenable number.

7685256269 is a deficient number, since it is larger than the sum of its proper divisors (1).

7685256269 is an equidigital number, since it uses as much as digits as its factorization.

7685256269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10886400, while the sum is 56.

The square root of 7685256269 is about 87665.5934161174. The cubic root of 7685256269 is about 1973.4196635562.

The spelling of 7685256269 in words is "seven billion, six hundred eighty-five million, two hundred fifty-six thousand, two hundred sixty-nine".