4653440641 has 2 divisors, whose sum is σ = 4653440642. Its totient is φ = 4653440640.

The previous prime is 4653440639. The next prime is 4653440663. The reversal of 4653440641 is 1460443564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4621280400 + 32160241 = 67980^2 + 5671^2 .

It is a cyclic number.

It is not a de Polignac number, because 4653440641 - 2¹ = 4653440639 is a prime.

Together with 4653440639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4653440641.

It is not a weakly prime, because it can be changed into another prime (4653440611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2326720320 + 2326720321.

It is an arithmetic number, because the mean of its divisors is an integer number (2326720321).

Almost surely, 2^4653440641 is an apocalyptic number.

It is an amenable number.

4653440641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4653440641 is an equidigital number, since it uses as much as digits as its factorization.

4653440641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 4653440641 is about 68216.1318237849. The cubic root of 4653440641 is about 1669.5191034089.

The spelling of 4653440641 in words is "four billion, six hundred fifty-three million, four hundred forty thousand, six hundred forty-one".