2797734257 has 2 divisors, whose sum is σ = 2797734258. Its totient is φ = 2797734256.

The previous prime is 2797734253. The next prime is 2797734259. The reversal of 2797734257 is 7524377972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2712430561 + 85303696 = 52081^2 + 9236^2 .

It is a cyclic number.

It is not a de Polignac number, because 2797734257 - 2² = 2797734253 is a prime.

Together with 2797734259, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2797734199 and 2797734208.

It is not a weakly prime, because it can be changed into another prime (2797734253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1398867128 + 1398867129.

It is an arithmetic number, because the mean of its divisors is an integer number (1398867129).

Almost surely, 2^2797734257 is an apocalyptic number.

It is an amenable number.

2797734257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2797734257 is an equidigital number, since it uses as much as digits as its factorization.

2797734257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5186160, while the sum is 53.

The square root of 2797734257 is about 52893.6126295038. The cubic root of 2797734257 is about 1409.0794683985.

The spelling of 2797734257 in words is "two billion, seven hundred ninety-seven million, seven hundred thirty-four thousand, two hundred fifty-seven".