7102002689 has 2 divisors, whose sum is σ = 7102002690. Its totient is φ = 7102002688.

The previous prime is 7102002667. The next prime is 7102002779. The reversal of 7102002689 is 9862002017.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7002342400 + 99660289 = 83680^2 + 9983^2 .

It is a cyclic number.

It is not a de Polignac number, because 7102002689 - 2²⁸ = 6833567233 is a prime.

It is not a weakly prime, because it can be changed into another prime (7102002619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3551001344 + 3551001345.

It is an arithmetic number, because the mean of its divisors is an integer number (3551001345).

Almost surely, 2^7102002689 is an apocalyptic number.

It is an amenable number.

7102002689 is a deficient number, since it is larger than the sum of its proper divisors (1).

7102002689 is an equidigital number, since it uses as much as digits as its factorization.

7102002689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 7102002689 is about 84273.3806667325. The cubic root of 7102002689 is about 1922.1780376612.

The spelling of 7102002689 in words is "seven billion, one hundred two million, two thousand, six hundred eighty-nine".