7916009641 has 2 divisors, whose sum is σ = 7916009642. Its totient is φ = 7916009640.

The previous prime is 7916009627. The next prime is 7916009663. The reversal of 7916009641 is 1469006197.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6356075625 + 1559934016 = 79725^2 + 39496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7916009641 is a prime.

It is not a weakly prime, because it can be changed into another prime (7916001641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3958004820 + 3958004821.

It is an arithmetic number, because the mean of its divisors is an integer number (3958004821).

Almost surely, 2^7916009641 is an apocalyptic number.

It is an amenable number.

7916009641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7916009641 is an equidigital number, since it uses as much as digits as its factorization.

7916009641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 7916009641 is about 88971.9598581486. The cubic root of 7916009641 is about 1992.9761651651.

The spelling of 7916009641 in words is "seven billion, nine hundred sixteen million, nine thousand, six hundred forty-one".