4644660479 has 2 divisors, whose sum is σ = 4644660480. Its totient is φ = 4644660478.

The previous prime is 4644660451. The next prime is 4644660487. The reversal of 4644660479 is 9740664464.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4644660479 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4644665479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322330239 + 2322330240.

It is an arithmetic number, because the mean of its divisors is an integer number (2322330240).

Almost surely, 2^4644660479 is an apocalyptic number.

4644660479 is a deficient number, since it is larger than the sum of its proper divisors (1).

4644660479 is an equidigital number, since it uses as much as digits as its factorization.

4644660479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 50.

The square root of 4644660479 is about 68151.7459717651. The cubic root of 4644660479 is about 1668.4684201000.

The spelling of 4644660479 in words is "four billion, six hundred forty-four million, six hundred sixty thousand, four hundred seventy-nine".