4644267401 has 2 divisors, whose sum is σ = 4644267402. Its totient is φ = 4644267400.

The previous prime is 4644267389. The next prime is 4644267403. The reversal of 4644267401 is 1047624464.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4643059600 + 1207801 = 68140^2 + 1099^2 .

It is a cyclic number.

It is not a de Polignac number, because 4644267401 - 2³⁰ = 3570525577 is a prime.

It is a Sophie Germain prime.

Together with 4644267403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4644267403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322133700 + 2322133701.

It is an arithmetic number, because the mean of its divisors is an integer number (2322133701).

Almost surely, 2^4644267401 is an apocalyptic number.

It is an amenable number.

4644267401 is a deficient number, since it is larger than the sum of its proper divisors (1).

4644267401 is an equidigital number, since it uses as much as digits as its factorization.

4644267401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 4644267401 is about 68148.8620668020. The cubic root of 4644267401 is about 1668.4213512321.

The spelling of 4644267401 in words is "four billion, six hundred forty-four million, two hundred sixty-seven thousand, four hundred one".