554459721749 has 2 divisors, whose sum is σ = 554459721750. Its totient is φ = 554459721748.

The previous prime is 554459721689. The next prime is 554459721763. The reversal of 554459721749 is 947127954455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 547163487025 + 7296234724 = 739705^2 + 85418^2 .

It is a cyclic number.

It is not a de Polignac number, because 554459721749 - 2³² = 550164754453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 554459721691 and 554459721700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (554459721149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277229860874 + 277229860875.

It is an arithmetic number, because the mean of its divisors is an integer number (277229860875).

Almost surely, 2^554459721749 is an apocalyptic number.

It is an amenable number.

554459721749 is a deficient number, since it is larger than the sum of its proper divisors (1).

554459721749 is an equidigital number, since it uses as much as digits as its factorization.

554459721749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504000, while the sum is 62.

The spelling of 554459721749 in words is "five hundred fifty-four billion, four hundred fifty-nine million, seven hundred twenty-one thousand, seven hundred forty-nine".