1012044342389 has 2 divisors, whose sum is σ = 1012044342390. Its totient is φ = 1012044342388.

The previous prime is 1012044342383. The next prime is 1012044342481. The reversal of 1012044342389 is 9832434402101.

1012044342389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1007875444900 + 4168897489 = 1003930^2 + 64567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012044342389 - 2⁴ = 1012044342373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012044342383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506022171194 + 506022171195.

It is an arithmetic number, because the mean of its divisors is an integer number (506022171195).

Almost surely, 2^{1012044342389} is an apocalyptic number.

It is an amenable number.

1012044342389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012044342389 is an equidigital number, since it uses as much as digits as its factorization.

1012044342389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 1012044342389 in words is "one trillion, twelve billion, forty-four million, three hundred forty-two thousand, three hundred eighty-nine".