5404438416389 has 2 divisors, whose sum is σ = 5404438416390. Its totient is φ = 5404438416388.

The previous prime is 5404438416313. The next prime is 5404438416409. The reversal of 5404438416389 is 9836148344045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3112196996164 + 2292241420225 = 1764142^2 + 1514015^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5404438416389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5404438412389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2702219208194 + 2702219208195.

It is an arithmetic number, because the mean of its divisors is an integer number (2702219208195).

Almost surely, 2^{5404438416389} is an apocalyptic number.

It is an amenable number.

5404438416389 is a deficient number, since it is larger than the sum of its proper divisors (1).

5404438416389 is an equidigital number, since it uses as much as digits as its factorization.

5404438416389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39813120, while the sum is 59.

The spelling of 5404438416389 in words is "five trillion, four hundred four billion, four hundred thirty-eight million, four hundred sixteen thousand, three hundred eighty-nine".