554144389 has 2 divisors, whose sum is σ = 554144390. Its totient is φ = 554144388.

The previous prime is 554144377. The next prime is 554144399. The reversal of 554144389 is 983441455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 464747364 + 89397025 = 21558^2 + 9455^2 .

It is a cyclic number.

It is not a de Polignac number, because 554144389 - 2²⁵ = 520589957 is a prime.

It is a super-3 number, since 3×554144389³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554144399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277072194 + 277072195.

It is an arithmetic number, because the mean of its divisors is an integer number (277072195).

Almost surely, 2^554144389 is an apocalyptic number.

It is an amenable number.

554144389 is a deficient number, since it is larger than the sum of its proper divisors (1).

554144389 is an equidigital number, since it uses as much as digits as its factorization.

554144389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 43.

The square root of 554144389 is about 23540.2716424429. The cubic root of 554144389 is about 821.3740540677.

The spelling of 554144389 in words is "five hundred fifty-four million, one hundred forty-four thousand, three hundred eighty-nine".