4764100721 has 2 divisors, whose sum is σ = 4764100722. Its totient is φ = 4764100720.

The previous prime is 4764100681. The next prime is 4764100769. The reversal of 4764100721 is 1270014674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4639108321 + 124992400 = 68111^2 + 11180^2 .

It is a cyclic number.

It is not a de Polignac number, because 4764100721 - 2³⁰ = 3690358897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4764120721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2382050360 + 2382050361.

It is an arithmetic number, because the mean of its divisors is an integer number (2382050361).

Almost surely, 2^4764100721 is an apocalyptic number.

It is an amenable number.

4764100721 is a deficient number, since it is larger than the sum of its proper divisors (1).

4764100721 is an equidigital number, since it uses as much as digits as its factorization.

4764100721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 4764100721 is about 69022.4653355703. The cubic root of 4764100721 is about 1682.6494383036.

The spelling of 4764100721 in words is "four billion, seven hundred sixty-four million, one hundred thousand, seven hundred twenty-one".