554728426381 has 2 divisors, whose sum is σ = 554728426382. Its totient is φ = 554728426380.

The previous prime is 554728426361. The next prime is 554728426409. The reversal of 554728426381 is 183624827455.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 548258798025 + 6469628356 = 740445^2 + 80434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-554728426381 is a prime.

It is a super-2 number, since 2×554728426381² (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 (554728426361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277364213190 + 277364213191.

It is an arithmetic number, because the mean of its divisors is an integer number (277364213191).

Almost surely, 2^554728426381 is an apocalyptic number.

It is an amenable number.

554728426381 is a deficient number, since it is larger than the sum of its proper divisors (1).

554728426381 is an equidigital number, since it uses as much as digits as its factorization.

554728426381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12902400, while the sum is 55.

The spelling of 554728426381 in words is "five hundred fifty-four billion, seven hundred twenty-eight million, four hundred twenty-six thousand, three hundred eighty-one".