5477481783549 has 64 divisors (see below), whose sum is σ = 8716990867200. Its totient is φ = 3387158083584.

The previous prime is 5477481783547. The next prime is 5477481783551. The reversal of 5477481783549 is 9453871847745.

It is a happy number.

5477481783549 is a `hidden beast` number, since 5 + 4 + 7 + 7 + 4 + 8 + 1 + 78 + 3 + 549 = 666.

It is an interprime number because it is at equal distance from previous prime (5477481783547) and next prime (5477481783551).

It is not a de Polignac number, because 5477481783549 - 2¹ = 5477481783547 is a prime.

It is a super-2 number, since 2×5477481783549² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5477481783547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12322879 + ... + 12759635.

It is an arithmetic number, because the mean of its divisors is an integer number (136202982300).

Almost surely, 2^{5477481783549} is an apocalyptic number.

It is an amenable number.

5477481783549 is a deficient number, since it is larger than the sum of its proper divisors (3239509083651).

5477481783549 is a wasteful number, since it uses less digits than its factorization.

5477481783549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437179 (or 437173 counting only the distinct ones).

The product of its digits is 948326400, while the sum is 72.

The spelling of 5477481783549 in words is "five trillion, four hundred seventy-seven billion, four hundred eighty-one million, seven hundred eighty-three thousand, five hundred forty-nine".