244401649 has 2 divisors, whose sum is σ = 244401650. Its totient is φ = 244401648.

The previous prime is 244401623. The next prime is 244401679. The reversal of 244401649 is 946104442.

244401649 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., 167961600 + 76440049 = 12960^2 + 8743^2 .

It is a cyclic number.

It is not a de Polignac number, because 244401649 - 2⁹ = 244401137 is a prime.

It is not a weakly prime, because it can be changed into another prime (244401679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122200824 + 122200825.

It is an arithmetic number, because the mean of its divisors is an integer number (122200825).

Almost surely, 2^244401649 is an apocalyptic number.

It is an amenable number.

244401649 is a deficient number, since it is larger than the sum of its proper divisors (1).

244401649 is an equidigital number, since it uses as much as digits as its factorization.

244401649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 244401649 is about 15633.3505365932. The cubic root of 244401649 is about 625.2226611458. Note that the first 3 decimals are identical.

The spelling of 244401649 in words is "two hundred forty-four million, four hundred one thousand, six hundred forty-nine".