744894055202389 has 2 divisors, whose sum is σ = 744894055202390. Its totient is φ = 744894055202388.

The previous prime is 744894055202359. The next prime is 744894055202503. The reversal of 744894055202389 is 983202550498447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 602901616943025 + 141992438259364 = 24554055^2 + 11916058^2 .

It is a cyclic number.

It is not a de Polignac number, because 744894055202389 - 2¹³ = 744894055194197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744894055202359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372447027601194 + 372447027601195.

It is an arithmetic number, because the mean of its divisors is an integer number (372447027601195).

Almost surely, 2^{744894055202389} is an apocalyptic number.

It is an amenable number.

744894055202389 is a deficient number, since it is larger than the sum of its proper divisors (1).

744894055202389 is an equidigital number, since it uses as much as digits as its factorization.

744894055202389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 696729600, while the sum is 70.

The spelling of 744894055202389 in words is "seven hundred forty-four trillion, eight hundred ninety-four billion, fifty-five million, two hundred two thousand, three hundred eighty-nine".