44663389 has 2 divisors, whose sum is σ = 44663390. Its totient is φ = 44663388.

The previous prime is 44663383. The next prime is 44663417. The reversal of 44663389 is 98336644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44662489 + 900 = 6683^2 + 30^2 .

It is a cyclic number.

It is not a de Polignac number, because 44663389 - 2¹³ = 44655197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44663383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22331694 + 22331695.

It is an arithmetic number, because the mean of its divisors is an integer number (22331695).

Almost surely, 2^44663389 is an apocalyptic number.

It is an amenable number.

44663389 is a deficient number, since it is larger than the sum of its proper divisors (1).

44663389 is an equidigital number, since it uses as much as digits as its factorization.

44663389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 43.

The square root of 44663389 is about 6683.0673346900. The cubic root of 44663389 is about 354.8002288048.

The spelling of 44663389 in words is "forty-four million, six hundred sixty-three thousand, three hundred eighty-nine".