7417643689 has 2 divisors, whose sum is σ = 7417643690. Its totient is φ = 7417643688.

The previous prime is 7417643687. The next prime is 7417643713. The reversal of 7417643689 is 9863467147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5246829225 + 2170814464 = 72435^2 + 46592^2 .

It is a cyclic number.

It is not a de Polignac number, because 7417643689 - 2¹ = 7417643687 is a prime.

Together with 7417643687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7417643687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3708821844 + 3708821845.

It is an arithmetic number, because the mean of its divisors is an integer number (3708821845).

Almost surely, 2^7417643689 is an apocalyptic number.

It is an amenable number.

7417643689 is a deficient number, since it is larger than the sum of its proper divisors (1).

7417643689 is an equidigital number, since it uses as much as digits as its factorization.

7417643689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 55.

The square root of 7417643689 is about 86125.7434742946. The cubic root of 7417643689 is about 1950.2426775775.

The spelling of 7417643689 in words is "seven billion, four hundred seventeen million, six hundred forty-three thousand, six hundred eighty-nine".