244952989 has 2 divisors, whose sum is σ = 244952990. Its totient is φ = 244952988.

The previous prime is 244952971. The next prime is 244952999. The reversal of 244952989 is 989259442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171164889 + 73788100 = 13083^2 + 8590^2 .

It is a cyclic number.

It is not a de Polignac number, because 244952989 - 2¹³ = 244944797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244952999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122476494 + 122476495.

It is an arithmetic number, because the mean of its divisors is an integer number (122476495).

Almost surely, 2^244952989 is an apocalyptic number.

It is an amenable number.

244952989 is a deficient number, since it is larger than the sum of its proper divisors (1).

244952989 is an equidigital number, since it uses as much as digits as its factorization.

244952989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 52.

The square root of 244952989 is about 15650.9740591441. The cubic root of 244952989 is about 625.6924498179.

The spelling of 244952989 in words is "two hundred forty-four million, nine hundred fifty-two thousand, nine hundred eighty-nine".