2133898049 has 2 divisors, whose sum is σ = 2133898050. Its totient is φ = 2133898048.

The previous prime is 2133898027. The next prime is 2133898073. The reversal of 2133898049 is 9408983312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1406625025 + 727273024 = 37505^2 + 26968^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133898049 - 2⁸ = 2133897793 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2133897994 and 2133898012.

It is not a weakly prime, because it can be changed into another prime (2133898009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066949024 + 1066949025.

It is an arithmetic number, because the mean of its divisors is an integer number (1066949025).

Almost surely, 2^2133898049 is an apocalyptic number.

It is an amenable number.

2133898049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133898049 is an equidigital number, since it uses as much as digits as its factorization.

2133898049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 2133898049 is about 46194.1343570804. The cubic root of 2133898049 is about 1287.4327584074.

The spelling of 2133898049 in words is "two billion, one hundred thirty-three million, eight hundred ninety-eight thousand, forty-nine".