2261134879 has 2 divisors, whose sum is σ = 2261134880. Its totient is φ = 2261134878.

The previous prime is 2261134877. The next prime is 2261134907. The reversal of 2261134879 is 9784311622.

2261134879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2261134879 - 2¹ = 2261134877 is a prime.

It is a super-2 number, since 2×2261134879² = 10225461882060689282, which contains 22 as substring.

Together with 2261134877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2261134877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130567439 + 1130567440.

It is an arithmetic number, because the mean of its divisors is an integer number (1130567440).

Almost surely, 2^2261134879 is an apocalyptic number.

2261134879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261134879 is an equidigital number, since it uses as much as digits as its factorization.

2261134879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 2261134879 is about 47551.3919775226. The cubic root of 2261134879 is about 1312.5287439087.

The spelling of 2261134879 in words is "two billion, two hundred sixty-one million, one hundred thirty-four thousand, eight hundred seventy-nine".