944439413 has 4 divisors (see below), whose sum is σ = 944668428. Its totient is φ = 944210400.

The previous prime is 944439407. The next prime is 944439443. The reversal of 944439413 is 314934449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314934449 = 4153 ⋅75833.

It can be written as a sum of positive squares in 2 ways, for example, as 421768369 + 522671044 = 20537^2 + 22862^2 .

It is a cyclic number.

It is not a de Polignac number, because 944439413 - 2²² = 940245109 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 (944439443) 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, 108206 + ... + 116607.

It is an arithmetic number, because the mean of its divisors is an integer number (236167107).

Almost surely, 2^944439413 is an apocalyptic number.

It is an amenable number.

944439413 is a deficient number, since it is larger than the sum of its proper divisors (229015).

944439413 is a wasteful number, since it uses less digits than its factorization.

944439413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229014.

The product of its digits is 186624, while the sum is 41.

The square root of 944439413 is about 30731.7329970179. The cubic root of 944439413 is about 981.1258105206.

The spelling of 944439413 in words is "nine hundred forty-four million, four hundred thirty-nine thousand, four hundred thirteen".