44499613 has 2 divisors, whose sum is σ = 44499614. Its totient is φ = 44499612.

The previous prime is 44499589. The next prime is 44499643. The reversal of 44499613 is 31699444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36445369 + 8054244 = 6037^2 + 2838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44499613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44499643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22249806 + 22249807.

It is an arithmetic number, because the mean of its divisors is an integer number (22249807).

Almost surely, 2^44499613 is an apocalyptic number.

It is an amenable number.

44499613 is a deficient number, since it is larger than the sum of its proper divisors (1).

44499613 is an equidigital number, since it uses as much as digits as its factorization.

44499613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 40.

The square root of 44499613 is about 6670.8030251237. The cubic root of 44499613 is about 354.3660258058.

The spelling of 44499613 in words is "forty-four million, four hundred ninety-nine thousand, six hundred thirteen".