2128498201 has 2 divisors, whose sum is σ = 2128498202. Its totient is φ = 2128498200.

The previous prime is 2128498153. The next prime is 2128498213. The reversal of 2128498201 is 1028948212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1855455625 + 273042576 = 43075^2 + 16524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2128498201 is a prime.

It is not a weakly prime, because it can be changed into another prime (2128498901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064249100 + 1064249101.

It is an arithmetic number, because the mean of its divisors is an integer number (1064249101).

Almost surely, 2^2128498201 is an apocalyptic number.

It is an amenable number.

2128498201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2128498201 is an equidigital number, since it uses as much as digits as its factorization.

2128498201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 2128498201 is about 46135.6500008399. The cubic root of 2128498201 is about 1286.3458877624.

The spelling of 2128498201 in words is "two billion, one hundred twenty-eight million, four hundred ninety-eight thousand, two hundred one".