244628641 has 2 divisors, whose sum is σ = 244628642. Its totient is φ = 244628640.

The previous prime is 244628633. The next prime is 244628651. The reversal of 244628641 is 146826442.

It is a happy number.

244628641 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., 161290000 + 83338641 = 12700^2 + 9129^2 .

It is a cyclic number.

It is not a de Polignac number, because 244628641 - 2³ = 244628633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 244628641.

It is not a weakly prime, because it can be changed into another prime (244628651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122314320 + 122314321.

It is an arithmetic number, because the mean of its divisors is an integer number (122314321).

Almost surely, 2^244628641 is an apocalyptic number.

It is an amenable number.

244628641 is a deficient number, since it is larger than the sum of its proper divisors (1).

244628641 is an equidigital number, since it uses as much as digits as its factorization.

244628641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 37.

The square root of 244628641 is about 15640.6087157757. The cubic root of 244628641 is about 625.4161631517.

The spelling of 244628641 in words is "two hundred forty-four million, six hundred twenty-eight thousand, six hundred forty-one".