4641464521 has 2 divisors, whose sum is σ = 4641464522. Its totient is φ = 4641464520.

The previous prime is 4641464507. The next prime is 4641464551. The reversal of 4641464521 is 1254641464.

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., 2846756025 + 1794708496 = 53355^2 + 42364^2 .

It is a cyclic number.

It is not a de Polignac number, because 4641464521 - 2⁵ = 4641464489 is a prime.

It is not a weakly prime, because it can be changed into another prime (4641464551) 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, 2320732260 + 2320732261.

It is an arithmetic number, because the mean of its divisors is an integer number (2320732261).

Almost surely, 2^4641464521 is an apocalyptic number.

It is an amenable number.

4641464521 is a deficient number, since it is larger than the sum of its proper divisors (1).

4641464521 is an equidigital number, since it uses as much as digits as its factorization.

4641464521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 37.

The square root of 4641464521 is about 68128.2945698775. The cubic root of 4641464521 is about 1668.0856451882.

The spelling of 4641464521 in words is "four billion, six hundred forty-one million, four hundred sixty-four thousand, five hundred twenty-one".