2650261169 has 2 divisors, whose sum is σ = 2650261170. Its totient is φ = 2650261168.

The previous prime is 2650261129. The next prime is 2650261171. The reversal of 2650261169 is 9611620562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2352250000 + 298011169 = 48500^2 + 17263^2 .

It is a cyclic number.

It is not a de Polignac number, because 2650261169 - 2²⁴ = 2633483953 is a prime.

It is a super-2 number, since 2×2650261169² = 14047768527818493122, which contains 22 as substring.

Together with 2650261171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2650261129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325130584 + 1325130585.

It is an arithmetic number, because the mean of its divisors is an integer number (1325130585).

Almost surely, 2^2650261169 is an apocalyptic number.

It is an amenable number.

2650261169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2650261169 is an equidigital number, since it uses as much as digits as its factorization.

2650261169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 2650261169 is about 51480.6873400113. The cubic root of 2650261169 is about 1383.8729628863.

The spelling of 2650261169 in words is "two billion, six hundred fifty million, two hundred sixty-one thousand, one hundred sixty-nine".