554178043109 has 2 divisors, whose sum is σ = 554178043110. Its totient is φ = 554178043108.

The previous prime is 554178043099. The next prime is 554178043207. The reversal of 554178043109 is 901340871455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309083738209 + 245094304900 = 555953^2 + 495070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554178043109 is a prime.

It is a super-2 number, since 2×554178043109² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554178043009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277089021554 + 277089021555.

It is an arithmetic number, because the mean of its divisors is an integer number (277089021555).

Almost surely, 2^554178043109 is an apocalyptic number.

It is an amenable number.

554178043109 is a deficient number, since it is larger than the sum of its proper divisors (1).

554178043109 is an equidigital number, since it uses as much as digits as its factorization.

554178043109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 554178043109 in words is "five hundred fifty-four billion, one hundred seventy-eight million, forty-three thousand, one hundred nine".