764704241641 has 2 divisors, whose sum is σ = 764704241642. Its totient is φ = 764704241640.

The previous prime is 764704241579. The next prime is 764704241687. The reversal of 764704241641 is 146142407467.

It is an a-pointer prime, because the next prime (764704241687) can be obtained adding 764704241641 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 549705099241 + 214999142400 = 741421^2 + 463680^2 .

It is a cyclic number.

It is not a de Polignac number, because 764704241641 - 2⁷ = 764704241513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 764704241591 and 764704241600.

It is not a weakly prime, because it can be changed into another prime (764704241341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382352120820 + 382352120821.

It is an arithmetic number, because the mean of its divisors is an integer number (382352120821).

Almost surely, 2^764704241641 is an apocalyptic number.

It is an amenable number.

764704241641 is a deficient number, since it is larger than the sum of its proper divisors (1).

764704241641 is an equidigital number, since it uses as much as digits as its factorization.

764704241641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 764704241641 in words is "seven hundred sixty-four billion, seven hundred four million, two hundred forty-one thousand, six hundred forty-one".