2946920897 has 2 divisors, whose sum is σ = 2946920898. Its totient is φ = 2946920896.

The previous prime is 2946920891. The next prime is 2946920909. The reversal of 2946920897 is 7980296492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2106442816 + 840478081 = 45896^2 + 28991^2 .

It is a cyclic number.

It is not a de Polignac number, because 2946920897 - 2¹² = 2946916801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2946920891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473460448 + 1473460449.

It is an arithmetic number, because the mean of its divisors is an integer number (1473460449).

Almost surely, 2^2946920897 is an apocalyptic number.

It is an amenable number.

2946920897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2946920897 is an equidigital number, since it uses as much as digits as its factorization.

2946920897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The square root of 2946920897 is about 54285.5496149758. The cubic root of 2946920897 is about 1433.6929823959.

The spelling of 2946920897 in words is "two billion, nine hundred forty-six million, nine hundred twenty thousand, eight hundred ninety-seven".