7446764641 has 2 divisors, whose sum is σ = 7446764642. Its totient is φ = 7446764640.

The previous prime is 7446764621. The next prime is 7446764669. The reversal of 7446764641 is 1464676447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5238140625 + 2208624016 = 72375^2 + 46996^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7446764641 is a prime.

It is not a weakly prime, because it can be changed into another prime (7446764621) 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, 3723382320 + 3723382321.

It is an arithmetic number, because the mean of its divisors is an integer number (3723382321).

Almost surely, 2^7446764641 is an apocalyptic number.

It is an amenable number.

7446764641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7446764641 is an equidigital number, since it uses as much as digits as its factorization.

7446764641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 49.

The square root of 7446764641 is about 86294.6385414529. The cubic root of 7446764641 is about 1952.7914997408.

The spelling of 7446764641 in words is "seven billion, four hundred forty-six million, seven hundred sixty-four thousand, six hundred forty-one".