1144340043389 has 2 divisors, whose sum is σ = 1144340043390. Its totient is φ = 1144340043388.

The previous prime is 1144340043377. The next prime is 1144340043443. The reversal of 1144340043389 is 9833400434411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 986982640900 + 157357402489 = 993470^2 + 396683^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144340043389 - 2²⁴ = 1144323266173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144340046389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572170021694 + 572170021695.

It is an arithmetic number, because the mean of its divisors is an integer number (572170021695).

Almost surely, 2^{1144340043389} is an apocalyptic number.

It is an amenable number.

1144340043389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144340043389 is an equidigital number, since it uses as much as digits as its factorization.

1144340043389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 1144340043389 in words is "one trillion, one hundred forty-four billion, three hundred forty million, forty-three thousand, three hundred eighty-nine".