5189918347 has 2 divisors, whose sum is σ = 5189918348. Its totient is φ = 5189918346.

The previous prime is 5189918333. The next prime is 5189918359. The reversal of 5189918347 is 7438199815.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5189918347 is a prime.

It is not a weakly prime, because it can be changed into another prime (5189915347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2594959173 + 2594959174.

It is an arithmetic number, because the mean of its divisors is an integer number (2594959174).

Almost surely, 2^5189918347 is an apocalyptic number.

5189918347 is a deficient number, since it is larger than the sum of its proper divisors (1).

5189918347 is an equidigital number, since it uses as much as digits as its factorization.

5189918347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 55.

The square root of 5189918347 is about 72041.0879082208. The cubic root of 5189918347 is about 1731.3578552936.

The spelling of 5189918347 in words is "five billion, one hundred eighty-nine million, nine hundred eighteen thousand, three hundred forty-seven".