2129086049 has 2 divisors, whose sum is σ = 2129086050. Its totient is φ = 2129086048.

The previous prime is 2129086013. The next prime is 2129086061. The reversal of 2129086049 is 9406809212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1079779600 + 1049306449 = 32860^2 + 32393^2 .

It is a cyclic number.

It is not a de Polignac number, because 2129086049 - 2¹⁶ = 2129020513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2129085997 and 2129086015.

It is not a weakly prime, because it can be changed into another prime (2129082049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064543024 + 1064543025.

It is an arithmetic number, because the mean of its divisors is an integer number (1064543025).

Almost surely, 2^2129086049 is an apocalyptic number.

It is an amenable number.

2129086049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129086049 is an equidigital number, since it uses as much as digits as its factorization.

2129086049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 2129086049 is about 46142.0204260715. The cubic root of 2129086049 is about 1286.4642977372.

The spelling of 2129086049 in words is "two billion, one hundred twenty-nine million, eighty-six thousand, forty-nine".