4781991415684 has 12 divisors (see below), whose sum is σ = 9563982831424. Its totient is φ = 2049424892424.

The previous prime is 4781991415667. The next prime is 4781991415697. The reversal of 4781991415684 is 4865141991874.

4781991415684 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85392703824 + ... + 85392703879.

Almost surely, 2^{4781991415684} is an apocalyptic number.

It is an amenable number.

4781991415684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4781991415684 is a wasteful number, since it uses less digits than its factorization.

4781991415684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170785407714 (or 170785407712 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 67.

The spelling of 4781991415684 in words is "four trillion, seven hundred eighty-one billion, nine hundred ninety-one million, four hundred fifteen thousand, six hundred eighty-four".