244001142389 has 2 divisors, whose sum is σ = 244001142390. Its totient is φ = 244001142388.

The previous prime is 244001142373. The next prime is 244001142401. The reversal of 244001142389 is 983241100442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211517208100 + 32483934289 = 459910^2 + 180233^2 .

It is a cyclic number.

It is not a de Polignac number, because 244001142389 - 2⁴ = 244001142373 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 (244001142289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122000571194 + 122000571195.

It is an arithmetic number, because the mean of its divisors is an integer number (122000571195).

Almost surely, 2^244001142389 is an apocalyptic number.

It is an amenable number.

244001142389 is a deficient number, since it is larger than the sum of its proper divisors (1).

244001142389 is an equidigital number, since it uses as much as digits as its factorization.

244001142389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 244001142389 in words is "two hundred forty-four billion, one million, one hundred forty-two thousand, three hundred eighty-nine".