244341543989 has 2 divisors, whose sum is σ = 244341543990. Its totient is φ = 244341543988.

The previous prime is 244341543967. The next prime is 244341544081. The reversal of 244341543989 is 989345143442.

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., 200898479089 + 43443064900 = 448217^2 + 208430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244341543989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244341543689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122170771994 + 122170771995.

It is an arithmetic number, because the mean of its divisors is an integer number (122170771995).

Almost surely, 2^244341543989 is an apocalyptic number.

It is an amenable number.

244341543989 is a deficient number, since it is larger than the sum of its proper divisors (1).

244341543989 is an equidigital number, since it uses as much as digits as its factorization.

244341543989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14929920, while the sum is 56.

The spelling of 244341543989 in words is "two hundred forty-four billion, three hundred forty-one million, five hundred forty-three thousand, nine hundred eighty-nine".