4430778899 has 2 divisors, whose sum is σ = 4430778900. Its totient is φ = 4430778898.

The previous prime is 4430778871. The next prime is 4430778917. The reversal of 4430778899 is 9988770344.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4430778899 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4430778299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215389449 + 2215389450.

It is an arithmetic number, because the mean of its divisors is an integer number (2215389450).

Almost surely, 2^4430778899 is an apocalyptic number.

4430778899 is a deficient number, since it is larger than the sum of its proper divisors (1).

4430778899 is an equidigital number, since it uses as much as digits as its factorization.

4430778899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The square root of 4430778899 is about 66564.0961705333. The cubic root of 4430778899 is about 1642.4545461792.

The spelling of 4430778899 in words is "four billion, four hundred thirty million, seven hundred seventy-eight thousand, eight hundred ninety-nine".