7663042729 has 2 divisors, whose sum is σ = 7663042730. Its totient is φ = 7663042728.

The previous prime is 7663042669. The next prime is 7663042769. The reversal of 7663042729 is 9272403667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6356075625 + 1306967104 = 79725^2 + 36152^2 .

It is a cyclic number.

It is not a de Polignac number, because 7663042729 - 2⁷ = 7663042601 is a prime.

It is not a weakly prime, because it can be changed into another prime (7663042769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831521364 + 3831521365.

It is an arithmetic number, because the mean of its divisors is an integer number (3831521365).

Almost surely, 2^7663042729 is an apocalyptic number.

It is an amenable number.

7663042729 is a deficient number, since it is larger than the sum of its proper divisors (1).

7663042729 is an equidigital number, since it uses as much as digits as its factorization.

7663042729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 46.

The square root of 7663042729 is about 87538.8069886722. The cubic root of 7663042729 is about 1971.5164982255.

The spelling of 7663042729 in words is "seven billion, six hundred sixty-three million, forty-two thousand, seven hundred twenty-nine".