554123142716509 has 2 divisors, whose sum is σ = 554123142716510. Its totient is φ = 554123142716508.

The previous prime is 554123142716477. The next prime is 554123142716513. The reversal of 554123142716509 is 905617241321455.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537358621914009 + 16764520802500 = 23180997^2 + 4094450^2 .

It is a cyclic number.

It is not a de Polignac number, because 554123142716509 - 2⁵ = 554123142716477 is a prime.

It is a super-2 number, since 2×554123142716509² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 554123142716509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554123142716579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277061571358254 + 277061571358255.

It is an arithmetic number, because the mean of its divisors is an integer number (277061571358255).

Almost surely, 2^{554123142716509} is an apocalyptic number.

It is an amenable number.

554123142716509 is a deficient number, since it is larger than the sum of its proper divisors (1).

554123142716509 is an equidigital number, since it uses as much as digits as its factorization.

554123142716509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072000, while the sum is 55.

The spelling of 554123142716509 in words is "five hundred fifty-four trillion, one hundred twenty-three billion, one hundred forty-two million, seven hundred sixteen thousand, five hundred nine".