2947968797 has 2 divisors, whose sum is σ = 2947968798. Its totient is φ = 2947968796.

The previous prime is 2947968791. The next prime is 2947968799. The reversal of 2947968797 is 7978697492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1475404921 + 1472563876 = 38411^2 + 38374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2947968797 is a prime.

Together with 2947968799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2947968791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473984398 + 1473984399.

It is an arithmetic number, because the mean of its divisors is an integer number (1473984399).

Almost surely, 2^2947968797 is an apocalyptic number.

It is an amenable number.

2947968797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2947968797 is an equidigital number, since it uses as much as digits as its factorization.

2947968797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96018048, while the sum is 68.

The square root of 2947968797 is about 54295.2004969132. The cubic root of 2947968797 is about 1433.8628985997.

The spelling of 2947968797 in words is "two billion, nine hundred forty-seven million, nine hundred sixty-eight thousand, seven hundred ninety-seven".