44989313 has 2 divisors, whose sum is σ = 44989314. Its totient is φ = 44989312.

The previous prime is 44989303. The next prime is 44989331. The reversal of 44989313 is 31398944.

Together with next prime (44989331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35796289 + 9193024 = 5983^2 + 3032^2 .

It is a cyclic number.

It is not a de Polignac number, because 44989313 - 2¹⁴ = 44972929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (44989303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22494656 + 22494657.

It is an arithmetic number, because the mean of its divisors is an integer number (22494657).

Almost surely, 2^44989313 is an apocalyptic number.

It is an amenable number.

44989313 is a deficient number, since it is larger than the sum of its proper divisors (1).

44989313 is an equidigital number, since it uses as much as digits as its factorization.

44989313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 44989313 is about 6707.4073232509. The cubic root of 44989313 is about 355.6611707984.

The spelling of 44989313 in words is "forty-four million, nine hundred eighty-nine thousand, three hundred thirteen".