554851813649 has 12 divisors (see below), whose sum is σ = 652692003300. Its totient is φ = 470243587968.

The previous prime is 554851813619. The next prime is 554851813679. The reversal of 554851813649 is 946318158455.

It is an interprime number because it is at equal distance from previous prime (554851813619) and next prime (554851813679).

It can be written as a sum of positive squares in 2 ways, for example, as 253670373649 + 301181440000 = 503657^2 + 548800^2 .

It is not a de Polignac number, because 554851813649 - 2¹² = 554851809553 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554851813619) 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 in 11 ways as a sum of consecutive naturals, for example, 63610844 + ... + 63619565.

It is an arithmetic number, because the mean of its divisors is an integer number (54391000275).

Almost surely, 2^554851813649 is an apocalyptic number.

It is an amenable number.

554851813649 is a deficient number, since it is larger than the sum of its proper divisors (97840189651).

554851813649 is a wasteful number, since it uses less digits than its factorization.

554851813649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127230512 (or 127230505 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 59.

The spelling of 554851813649 in words is "five hundred fifty-four billion, eight hundred fifty-one million, eight hundred thirteen thousand, six hundred forty-nine".