4445459613 has 48 divisors (see below), whose sum is σ = 7635337216. Its totient is φ = 2438825760.

The previous prime is 4445459593. The next prime is 4445459617. The reversal of 4445459613 is 3169545444.

4445459613 is a `hidden beast` number, since 4 + 4 + 4 + 54 + 596 + 1 + 3 = 666.

It is not a de Polignac number, because 4445459613 - 2⁸ = 4445459357 is a prime.

It is a super-2 number, since 2×4445459613² = 39524222341628219538, 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 (4445459617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239070 + ... + 256992.

Almost surely, 2^4445459613 is an apocalyptic number.

It is an amenable number.

4445459613 is a deficient number, since it is larger than the sum of its proper divisors (3189877603).

4445459613 is a wasteful number, since it uses less digits than its factorization.

4445459613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18094 (or 18091 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 4445459613 is about 66674.2799961124. The cubic root of 4445459613 is about 1644.2665544047.

The spelling of 4445459613 in words is "four billion, four hundred forty-five million, four hundred fifty-nine thousand, six hundred thirteen".