8994459413 has 4 divisors (see below), whose sum is σ = 9022833420. Its totient is φ = 8966085408.

The previous prime is 8994459407. The next prime is 8994459431. The reversal of 8994459413 is 3149544998.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5118400849 + 3876058564 = 71543^2 + 62258^2 .

It is a cyclic number.

It is not a de Polignac number, because 8994459413 - 2³² = 4699492117 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 (8994459403) 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, 14186528 + ... + 14187161.

It is an arithmetic number, because the mean of its divisors is an integer number (2255708355).

Almost surely, 2^8994459413 is an apocalyptic number.

It is an amenable number.

8994459413 is a deficient number, since it is larger than the sum of its proper divisors (28374007).

8994459413 is a wasteful number, since it uses less digits than its factorization.

8994459413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28374006.

The product of its digits is 5598720, while the sum is 56.

The square root of 8994459413 is about 94839.1238519209. The cubic root of 8994459413 is about 2079.6568878229.

The spelling of 8994459413 in words is "eight billion, nine hundred ninety-four million, four hundred fifty-nine thousand, four hundred thirteen".