4394943499 has 2 divisors, whose sum is σ = 4394943500. Its totient is φ = 4394943498.

The previous prime is 4394943491. The next prime is 4394943517. The reversal of 4394943499 is 9943494934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4394943499 - 2³ = 4394943491 is a prime.

It is not a weakly prime, because it can be changed into another prime (4394943491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197471749 + 2197471750.

It is an arithmetic number, because the mean of its divisors is an integer number (2197471750).

Almost surely, 2^4394943499 is an apocalyptic number.

4394943499 is a deficient number, since it is larger than the sum of its proper divisors (1).

4394943499 is an equidigital number, since it uses as much as digits as its factorization.

4394943499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15116544, while the sum is 58.

The square root of 4394943499 is about 66294.3700399966. The cubic root of 4394943499 is about 1638.0145886481.

The spelling of 4394943499 in words is "four billion, three hundred ninety-four million, nine hundred forty-three thousand, four hundred ninety-nine".