4493966399 has 8 divisors (see below), whose sum is σ = 4853371152. Its totient is φ = 4136520960.

The previous prime is 4493966381. The next prime is 4493966423. The reversal of 4493966399 is 9936693944.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4493966399 - 2¹² = 4493962303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4493966329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485057 + ... + 494234.

It is an arithmetic number, because the mean of its divisors is an integer number (606671394).

Almost surely, 2^4493966399 is an apocalyptic number.

4493966399 is a deficient number, since it is larger than the sum of its proper divisors (359404753).

4493966399 is a wasteful number, since it uses less digits than its factorization.

4493966399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979657.

The product of its digits is 34012224, while the sum is 62.

The square root of 4493966399 is about 67037.0524337101. The cubic root of 4493966399 is about 1650.2254236242.

The spelling of 4493966399 in words is "four billion, four hundred ninety-three million, nine hundred sixty-six thousand, three hundred ninety-nine".