5481771845 has 32 divisors (see below), whose sum is σ = 7287681024. Its totient is φ = 3924979200.

The previous prime is 5481771829. The next prime is 5481771851.

It is a happy number.

5481771845 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5481771845 - 2⁴ = 5481771829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5481771793 and 5481771802.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 3295484 + ... + 3297146.

It is an arithmetic number, because the mean of its divisors is an integer number (227740032).

Almost surely, 2^5481771845 is an apocalyptic number.

5481771845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5481771845 is a deficient number, since it is larger than the sum of its proper divisors (1805909179).

5481771845 is a wasteful number, since it uses less digits than its factorization.

5481771845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573.

The product of its digits is 1254400, while the sum is 50.

The square root of 5481771845 is about 74038.9886816399. The cubic root of 5481771845 is about 1763.2219567670.

The spelling of 5481771845 in words is "five billion, four hundred eighty-one million, seven hundred seventy-one thousand, eight hundred forty-five".