5171811984 has 40 divisors (see below), whose sum is σ = 14845017120. Its totient is φ = 1723937184.

The previous prime is 5171811979. The next prime is 5171812003. The reversal of 5171811984 is 4891181715.

5171811984 is a `hidden beast` number, since 517 + 18 + 119 + 8 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5985462 + ... + 5986325.

It is an arithmetic number, because the mean of its divisors is an integer number (371125428).

Almost surely, 2^5171811984 is an apocalyptic number.

5171811984 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5171811984 is an abundant number, since it is smaller than the sum of its proper divisors (9673205136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5171811984 is a wasteful number, since it uses less digits than its factorization.

5171811984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11971804 (or 11971792 counting only the distinct ones).

The product of its digits is 80640, while the sum is 45.

The square root of 5171811984 is about 71915.3111930971. The cubic root of 5171811984 is about 1729.3420804516.

The spelling of 5171811984 in words is "five billion, one hundred seventy-one million, eight hundred eleven thousand, nine hundred eighty-four".