4640966399 has 2 divisors, whose sum is σ = 4640966400. Its totient is φ = 4640966398.

The previous prime is 4640966339. The next prime is 4640966401. The reversal of 4640966399 is 9936690464.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4640966399 - 2¹⁶ = 4640900863 is a prime.

Together with 4640966401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4640966339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320483199 + 2320483200.

It is an arithmetic number, because the mean of its divisors is an integer number (2320483200).

Almost surely, 2^4640966399 is an apocalyptic number.

4640966399 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640966399 is an equidigital number, since it uses as much as digits as its factorization.

4640966399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7558272, while the sum is 56.

The square root of 4640966399 is about 68124.6387072988. The cubic root of 4640966399 is about 1668.0259700663.

The spelling of 4640966399 in words is "four billion, six hundred forty million, nine hundred sixty-six thousand, three hundred ninety-nine".