4394428799 has 4 divisors (see below), whose sum is σ = 4450054560. Its totient is φ = 4338803040.

The previous prime is 4394428793. The next prime is 4394428807. The reversal of 4394428799 is 9978244934.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4394428799 is a prime.

It is a super-2 number, since 2×4394428799² = 38622008938961164802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394428793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27812762 + ... + 27812919.

It is an arithmetic number, because the mean of its divisors is an integer number (1112513640).

Almost surely, 2^4394428799 is an apocalyptic number.

4394428799 is a deficient number, since it is larger than the sum of its proper divisors (55625761).

4394428799 is an equidigital number, since it uses as much as digits as its factorization.

4394428799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55625760.

The product of its digits is 15676416, while the sum is 59.

The square root of 4394428799 is about 66290.4879979021. The cubic root of 4394428799 is about 1637.9506425076.

The spelling of 4394428799 in words is "four billion, three hundred ninety-four million, four hundred twenty-eight thousand, seven hundred ninety-nine".