4917796139 has 2 divisors, whose sum is σ = 4917796140. Its totient is φ = 4917796138.

The previous prime is 4917796111. The next prime is 4917796141. The reversal of 4917796139 is 9316977194.

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-4917796139 is a prime.

It is a Sophie Germain prime.

Together with 4917796141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4917796439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2458898069 + 2458898070.

It is an arithmetic number, because the mean of its divisors is an integer number (2458898070).

Almost surely, 2^4917796139 is an apocalyptic number.

4917796139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4917796139 is an equidigital number, since it uses as much as digits as its factorization.

4917796139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2571912, while the sum is 56.

The square root of 4917796139 is about 70127.0000712992. Note that the first 4 decimals coincide. The cubic root of 4917796139 is about 1700.5530079769.

The spelling of 4917796139 in words is "four billion, nine hundred seventeen million, seven hundred ninety-six thousand, one hundred thirty-nine".