44918669 has 2 divisors, whose sum is σ = 44918670. Its totient is φ = 44918668.

The previous prime is 44918633. The next prime is 44918681. The reversal of 44918669 is 96681944.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44063044 + 855625 = 6638^2 + 925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44918669 is a prime.

It is a super-2 number, since 2×44918669² = 4035373649463122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44918569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22459334 + 22459335.

It is an arithmetic number, because the mean of its divisors is an integer number (22459335).

Almost surely, 2^44918669 is an apocalyptic number.

It is an amenable number.

44918669 is a deficient number, since it is larger than the sum of its proper divisors (1).

44918669 is an equidigital number, since it uses as much as digits as its factorization.

44918669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 44918669 is about 6702.1391361266. The cubic root of 44918669 is about 355.4749155266.

The spelling of 44918669 in words is "forty-four million, nine hundred eighteen thousand, six hundred sixty-nine".