5116919447 has 2 divisors, whose sum is σ = 5116919448. Its totient is φ = 5116919446.

The previous prime is 5116919443. The next prime is 5116919473. The reversal of 5116919447 is 7449196115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5116919447 - 2² = 5116919443 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5116919441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2558459723 + 2558459724.

It is an arithmetic number, because the mean of its divisors is an integer number (2558459724).

Almost surely, 2^5116919447 is an apocalyptic number.

5116919447 is a deficient number, since it is larger than the sum of its proper divisors (1).

5116919447 is an equidigital number, since it uses as much as digits as its factorization.

5116919447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 47.

The square root of 5116919447 is about 71532.6460226378. The cubic root of 5116919447 is about 1723.2020133923.

The spelling of 5116919447 in words is "five billion, one hundred sixteen million, nine hundred nineteen thousand, four hundred forty-seven".