2120697833 has 2 divisors, whose sum is σ = 2120697834. Its totient is φ = 2120697832.

The previous prime is 2120697743. The next prime is 2120697847. The reversal of 2120697833 is 3387960212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2060433664 + 60264169 = 45392^2 + 7763^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120697833 - 2⁸ = 2120697577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120697853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060348916 + 1060348917.

It is an arithmetic number, because the mean of its divisors is an integer number (1060348917).

Almost surely, 2^2120697833 is an apocalyptic number.

It is an amenable number.

2120697833 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120697833 is an equidigital number, since it uses as much as digits as its factorization.

2120697833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 2120697833 is about 46051.0350915156. The cubic root of 2120697833 is about 1284.7725948226.

The spelling of 2120697833 in words is "two billion, one hundred twenty million, six hundred ninety-seven thousand, eight hundred thirty-three".