44666693 has 2 divisors, whose sum is σ = 44666694. Its totient is φ = 44666692.

The previous prime is 44666683. The next prime is 44666711. The reversal of 44666693 is 39666644.

44666693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30991489 + 13675204 = 5567^2 + 3698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44666693 is a prime.

It is a super-2 number, since 2×44666693² = 3990226927112498, 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 (44666603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22333346 + 22333347.

It is an arithmetic number, because the mean of its divisors is an integer number (22333347).

Almost surely, 2^44666693 is an apocalyptic number.

It is an amenable number.

44666693 is a deficient number, since it is larger than the sum of its proper divisors (1).

44666693 is an equidigital number, since it uses as much as digits as its factorization.

44666693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 44.

The square root of 44666693 is about 6683.3145220018. The cubic root of 44666693 is about 354.8089774397.

The spelling of 44666693 in words is "forty-four million, six hundred sixty-six thousand, six hundred ninety-three".