7316643589 has 2 divisors, whose sum is σ = 7316643590. Its totient is φ = 7316643588.

The previous prime is 7316643527. The next prime is 7316643599. The reversal of 7316643589 is 9853466137.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6946389025 + 370254564 = 83345^2 + 19242^2 .

It is an emirp because it is prime and its reverse (9853466137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7316643589 - 2⁷ = 7316643461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7316643599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3658321794 + 3658321795.

It is an arithmetic number, because the mean of its divisors is an integer number (3658321795).

Almost surely, 2^7316643589 is an apocalyptic number.

It is an amenable number.

7316643589 is a deficient number, since it is larger than the sum of its proper divisors (1).

7316643589 is an equidigital number, since it uses as much as digits as its factorization.

7316643589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 52.

The square root of 7316643589 is about 85537.3812376788. The cubic root of 7316643589 is about 1941.3505660086.

The spelling of 7316643589 in words is "seven billion, three hundred sixteen million, six hundred forty-three thousand, five hundred eighty-nine".