244331993 has 2 divisors, whose sum is σ = 244331994. Its totient is φ = 244331992.

The previous prime is 244331951. The next prime is 244332037. The reversal of 244331993 is 399133442.

It is a happy number.

244331993 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., 149132944 + 95199049 = 12212^2 + 9757^2 .

It is a cyclic number.

It is not a de Polignac number, because 244331993 - 2¹⁴ = 244315609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (244331933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122165996 + 122165997.

It is an arithmetic number, because the mean of its divisors is an integer number (122165997).

Almost surely, 2^244331993 is an apocalyptic number.

It is an amenable number.

244331993 is a deficient number, since it is larger than the sum of its proper divisors (1).

244331993 is an equidigital number, since it uses as much as digits as its factorization.

244331993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 38.

The square root of 244331993 is about 15631.1225764498. The cubic root of 244331993 is about 625.1632580445.

The spelling of 244331993 in words is "two hundred forty-four million, three hundred thirty-one thousand, nine hundred ninety-three".