5181417647 has 4 divisors (see below), whose sum is σ = 5921620176. Its totient is φ = 4441215120.

The previous prime is 5181417611. The next prime is 5181417673. The reversal of 5181417647 is 7467141815.

5181417647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5181417647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5181417598 and 5181417607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181417047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370101254 + ... + 370101267.

It is an arithmetic number, because the mean of its divisors is an integer number (1480405044).

Almost surely, 2^5181417647 is an apocalyptic number.

5181417647 is a deficient number, since it is larger than the sum of its proper divisors (740202529).

5181417647 is an equidigital number, since it uses as much as digits as its factorization.

5181417647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740202528.

The product of its digits is 188160, while the sum is 44.

The square root of 5181417647 is about 71982.0647592162. The cubic root of 5181417647 is about 1730.4120602872.

The spelling of 5181417647 in words is "five billion, one hundred eighty-one million, four hundred seventeen thousand, six hundred forty-seven".