2947684793 has 2 divisors, whose sum is σ = 2947684794. Its totient is φ = 2947684792.

The previous prime is 2947684783. The next prime is 2947684811. The reversal of 2947684793 is 3974867492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2938940944 + 8743849 = 54212^2 + 2957^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2947684793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2947684783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473842396 + 1473842397.

It is an arithmetic number, because the mean of its divisors is an integer number (1473842397).

Almost surely, 2^2947684793 is an apocalyptic number.

It is an amenable number.

2947684793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2947684793 is an equidigital number, since it uses as much as digits as its factorization.

2947684793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 59.

The square root of 2947684793 is about 54292.5850646292. The cubic root of 2947684793 is about 1433.8168515410.

The spelling of 2947684793 in words is "two billion, nine hundred forty-seven million, six hundred eighty-four thousand, seven hundred ninety-three".