5481946863 has 32 divisors (see below), whose sum is σ = 8199921920. Its totient is φ = 3619455840.

The previous prime is 5481946859. The next prime is 5481946889. The reversal of 5481946863 is 3686491845.

5481946863 is a `hidden beast` number, since 548 + 1 + 94 + 6 + 8 + 6 + 3 = 666.

It is not a de Polignac number, because 5481946863 - 2² = 5481946859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5481946853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1401156 + ... + 1405062.

It is an arithmetic number, because the mean of its divisors is an integer number (256247560).

Almost surely, 2^5481946863 is an apocalyptic number.

5481946863 is a deficient number, since it is larger than the sum of its proper divisors (2717975057).

5481946863 is a wasteful number, since it uses less digits than its factorization.

5481946863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404 (or 4398 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 5481946863 is about 74040.1706035312. The cubic root of 5481946863 is about 1763.2407215207.

The spelling of 5481946863 in words is "five billion, four hundred eighty-one million, nine hundred forty-six thousand, eight hundred sixty-three".