7655045689 has 2 divisors, whose sum is σ = 7655045690. Its totient is φ = 7655045688.

The previous prime is 7655045659. The next prime is 7655045731. The reversal of 7655045689 is 9865405567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7618322089 + 36723600 = 87283^2 + 6060^2 .

It is an emirp because it is prime and its reverse (9865405567) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7655045689 - 2¹⁵ = 7655012921 is a prime.

It is not a weakly prime, because it can be changed into another prime (7655045659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3827522844 + 3827522845.

It is an arithmetic number, because the mean of its divisors is an integer number (3827522845).

Almost surely, 2^7655045689 is an apocalyptic number.

It is an amenable number.

7655045689 is a deficient number, since it is larger than the sum of its proper divisors (1).

7655045689 is an equidigital number, since it uses as much as digits as its factorization.

7655045689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072000, while the sum is 55.

The square root of 7655045689 is about 87493.1179522138. The cubic root of 7655045689 is about 1970.8304441984.

The spelling of 7655045689 in words is "seven billion, six hundred fifty-five million, forty-five thousand, six hundred eighty-nine".