44118649 has 2 divisors, whose sum is σ = 44118650. Its totient is φ = 44118648.

The previous prime is 44118643. The next prime is 44118653. The reversal of 44118649 is 94681144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40386025 + 3732624 = 6355^2 + 1932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44118649 is a prime.

It is a Chen prime.

It is equal to p_2668087 and since 44118649 and 2668087 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (44118643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22059324 + 22059325.

It is an arithmetic number, because the mean of its divisors is an integer number (22059325).

Almost surely, 2^44118649 is an apocalyptic number.

It is an amenable number.

44118649 is a deficient number, since it is larger than the sum of its proper divisors (1).

44118649 is an equidigital number, since it uses as much as digits as its factorization.

44118649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 44118649 is about 6642.1870645142. The cubic root of 44118649 is about 353.3518762271.

The spelling of 44118649 in words is "forty-four million, one hundred eighteen thousand, six hundred forty-nine".