554123142736477 has 2 divisors, whose sum is σ = 554123142736478. Its totient is φ = 554123142736476.

The previous prime is 554123142736399. The next prime is 554123142736507. The reversal of 554123142736477 is 774637241321455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 510181874886436 + 43941267850041 = 22587206^2 + 6628821^2 .

It is a cyclic number.

It is not a de Polignac number, because 554123142736477 - 2⁷ = 554123142736349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554123142736777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277061571368238 + 277061571368239.

It is an arithmetic number, because the mean of its divisors is an integer number (277061571368239).

Almost surely, 2^{554123142736477} is an apocalyptic number.

It is an amenable number.

554123142736477 is a deficient number, since it is larger than the sum of its proper divisors (1).

554123142736477 is an equidigital number, since it uses as much as digits as its factorization.

554123142736477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 118540800, while the sum is 61.

The spelling of 554123142736477 in words is "five hundred fifty-four trillion, one hundred twenty-three billion, one hundred forty-two million, seven hundred thirty-six thousand, four hundred seventy-seven".