4394336913 has 16 divisors (see below), whose sum is σ = 6590504000. Its totient is φ = 2929556484.

The previous prime is 4394336897. The next prime is 4394336923. The reversal of 4394336913 is 3196334934.

It is not a de Polignac number, because 4394336913 - 2⁴ = 4394336897 is a prime.

It is a super-3 number, since 3×4394336913³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4394336923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002463 + ... + 1006836.

It is an arithmetic number, because the mean of its divisors is an integer number (411906500).

Almost surely, 2^4394336913 is an apocalyptic number.

It is an amenable number.

4394336913 is a deficient number, since it is larger than the sum of its proper divisors (2196167087).

4394336913 is an frugal number, since it uses more digits than its factorization.

4394336913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009320 (or 2009302 counting only the distinct ones).

The product of its digits is 629856, while the sum is 45.

The square root of 4394336913 is about 66289.7949385876. The cubic root of 4394336913 is about 1637.9392260992.

The spelling of 4394336913 in words is "four billion, three hundred ninety-four million, three hundred thirty-six thousand, nine hundred thirteen".