44452789 has 2 divisors, whose sum is σ = 44452790. Its totient is φ = 44452788.

The previous prime is 44452787. The next prime is 44452817. The reversal of 44452789 is 98725444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23136100 + 21316689 = 4810^2 + 4617^2 .

It is a cyclic number.

It is not a de Polignac number, because 44452789 - 2¹ = 44452787 is a prime.

Together with 44452787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44452781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22226394 + 22226395.

It is an arithmetic number, because the mean of its divisors is an integer number (22226395).

Almost surely, 2^44452789 is an apocalyptic number.

It is an amenable number.

44452789 is a deficient number, since it is larger than the sum of its proper divisors (1).

44452789 is an equidigital number, since it uses as much as digits as its factorization.

44452789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 44452789 is about 6667.2924789603. The cubic root of 44452789 is about 354.2416902073.

The spelling of 44452789 in words is "forty-four million, four hundred fifty-two thousand, seven hundred eighty-nine".