7964229641 has 2 divisors, whose sum is σ = 7964229642. Its totient is φ = 7964229640.

The previous prime is 7964229617. The next prime is 7964229697. The reversal of 7964229641 is 1469224697.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6793221241 + 1171008400 = 82421^2 + 34220^2 .

It is an emirp because it is prime and its reverse (1469224697) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7964229641 - 2²² = 7960035337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7964229641.

It is not a weakly prime, because it can be changed into another prime (7964229041) 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, 3982114820 + 3982114821.

It is an arithmetic number, because the mean of its divisors is an integer number (3982114821).

Almost surely, 2^7964229641 is an apocalyptic number.

It is an amenable number.

7964229641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7964229641 is an equidigital number, since it uses as much as digits as its factorization.

7964229641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The square root of 7964229641 is about 89242.5326904162. The cubic root of 7964229641 is about 1997.0146829081.

The spelling of 7964229641 in words is "seven billion, nine hundred sixty-four million, two hundred twenty-nine thousand, six hundred forty-one".