244645949 has 2 divisors, whose sum is σ = 244645950. Its totient is φ = 244645948.

The previous prime is 244645939. The next prime is 244645981. The reversal of 244645949 is 949546442.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 207216025 + 37429924 = 14395^2 + 6118^2 .

It is a cyclic number.

It is not a de Polignac number, because 244645949 - 2⁸ = 244645693 is a prime.

It is a super-2 number, since 2×244645949² = 119703280724221202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244645939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122322974 + 122322975.

It is an arithmetic number, because the mean of its divisors is an integer number (122322975).

Almost surely, 2^244645949 is an apocalyptic number.

It is an amenable number.

244645949 is a deficient number, since it is larger than the sum of its proper divisors (1).

244645949 is an equidigital number, since it uses as much as digits as its factorization.

244645949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 47.

The square root of 244645949 is about 15641.1620092626. The cubic root of 244645949 is about 625.4309126479.

The spelling of 244645949 in words is "two hundred forty-four million, six hundred forty-five thousand, nine hundred forty-nine".