5186979481684 has 144 divisors (see below), whose sum is σ = 12805394305536. Its totient is φ = 1805271148800.

The previous prime is 5186979481661. The next prime is 5186979481693. The reversal of 5186979481684 is 4861849796815.

It is a super-2 number, since 2×5186979481684² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5186979481684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2116039 + ... + 3853774.

It is an arithmetic number, because the mean of its divisors is an integer number (88926349344).

Almost surely, 2^{5186979481684} is an apocalyptic number.

It is an amenable number.

5186979481684 is an abundant number, since it is smaller than the sum of its proper divisors (7618414823852).

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

5186979481684 is a wasteful number, since it uses less digits than its factorization.

5186979481684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969886 (or 5969877 counting only the distinct ones).

The product of its digits is 836075520, while the sum is 76.

The spelling of 5186979481684 in words is "five trillion, one hundred eighty-six billion, nine hundred seventy-nine million, four hundred eighty-one thousand, six hundred eighty-four".