5481471986 has 4 divisors (see below), whose sum is σ = 8222207982. Its totient is φ = 2740735992.

The previous prime is 5481471953. The next prime is 5481472021. The reversal of 5481471986 is 6891741845.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4962498025 + 518973961 = 70445^2 + 22781^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1370367995 + ... + 1370367998.

Almost surely, 2^5481471986 is an apocalyptic number.

5481471986 is a deficient number, since it is larger than the sum of its proper divisors (2740735996).

5481471986 is a wasteful number, since it uses less digits than its factorization.

5481471986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740735995.

The product of its digits is 1935360, while the sum is 53.

The square root of 5481471986 is about 74036.9636465462. The cubic root of 5481471986 is about 1763.1898061152.

The spelling of 5481471986 in words is "five billion, four hundred eighty-one million, four hundred seventy-one thousand, nine hundred eighty-six".