2650261129 has 2 divisors, whose sum is σ = 2650261130. Its totient is φ = 2650261128.

The previous prime is 2650261127. The next prime is 2650261169. The reversal of 2650261129 is 9211620562.

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., 2637849600 + 12411529 = 51360^2 + 3523^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650261129 - 2¹ = 2650261127 is a prime.

Together with 2650261127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2650261094 and 2650261103.

It is not a weakly prime, because it can be changed into another prime (2650261127) 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, 1325130564 + 1325130565.

It is an arithmetic number, because the mean of its divisors is an integer number (1325130565).

Almost surely, 2^2650261129 is an apocalyptic number.

It is an amenable number.

2650261129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650261129 is an equidigital number, since it uses as much as digits as its factorization.

2650261129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 2650261129 is about 51480.6869515161. The cubic root of 2650261129 is about 1383.8729559242.

The spelling of 2650261129 in words is "two billion, six hundred fifty million, two hundred sixty-one thousand, one hundred twenty-nine".