7963441289 has 2 divisors, whose sum is σ = 7963441290. Its totient is φ = 7963441288.

The previous prime is 7963441243. The next prime is 7963441319. The reversal of 7963441289 is 9821443697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5346095689 + 2617345600 = 73117^2 + 51160^2 .

It is a cyclic number.

It is not a de Polignac number, because 7963441289 - 2¹² = 7963437193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7963441289.

It is not a weakly prime, because it can be changed into another prime (7963441219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3981720644 + 3981720645.

It is an arithmetic number, because the mean of its divisors is an integer number (3981720645).

Almost surely, 2^7963441289 is an apocalyptic number.

It is an amenable number.

7963441289 is a deficient number, since it is larger than the sum of its proper divisors (1).

7963441289 is an equidigital number, since it uses as much as digits as its factorization.

7963441289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 53.

The square root of 7963441289 is about 89238.1156737411. The cubic root of 7963441289 is about 1996.9487881704.

The spelling of 7963441289 in words is "seven billion, nine hundred sixty-three million, four hundred forty-one thousand, two hundred eighty-nine".