44138093 has 2 divisors, whose sum is σ = 44138094. Its totient is φ = 44138092.

The previous prime is 44138089. The next prime is 44138113. The reversal of 44138093 is 39083144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29560969 + 14577124 = 5437^2 + 3818^2 .

It is a cyclic number.

It is not a de Polignac number, because 44138093 - 2² = 44138089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_2669180 and since 44138093 and 2669180 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44138023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22069046 + 22069047.

It is an arithmetic number, because the mean of its divisors is an integer number (22069047).

Almost surely, 2^44138093 is an apocalyptic number.

It is an amenable number.

44138093 is a deficient number, since it is larger than the sum of its proper divisors (1).

44138093 is an equidigital number, since it uses as much as digits as its factorization.

44138093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 44138093 is about 6643.6505778074. The cubic root of 44138093 is about 353.4037784268.

The spelling of 44138093 in words is "forty-four million, one hundred thirty-eight thousand, ninety-three".