45666893 has 2 divisors, whose sum is σ = 45666894. Its totient is φ = 45666892.

The previous prime is 45666889. The next prime is 45666919. The reversal of 45666893 is 39866654.

45666893 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., 31393609 + 14273284 = 5603^2 + 3778^2 .

It is a cyclic number.

It is not a de Polignac number, because 45666893 - 2² = 45666889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45666883) 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, 22833446 + 22833447.

It is an arithmetic number, because the mean of its divisors is an integer number (22833447).

Almost surely, 2^45666893 is an apocalyptic number.

It is an amenable number.

45666893 is a deficient number, since it is larger than the sum of its proper divisors (1).

45666893 is an equidigital number, since it uses as much as digits as its factorization.

45666893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 47.

The square root of 45666893 is about 6757.7283905170. The cubic root of 45666893 is about 357.4378081458.

The spelling of 45666893 in words is "forty-five million, six hundred sixty-six thousand, eight hundred ninety-three".