2606606263 has 4 divisors (see below), whose sum is σ = 2690690368. Its totient is φ = 2522522160.

The previous prime is 2606606239. The next prime is 2606606267. The reversal of 2606606263 is 3626066062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2606606263 - 2¹⁷ = 2606475191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606606267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42042006 + ... + 42042067.

It is an arithmetic number, because the mean of its divisors is an integer number (672672592).

Almost surely, 2^2606606263 is an apocalyptic number.

2606606263 is a deficient number, since it is larger than the sum of its proper divisors (84084105).

2606606263 is an equidigital number, since it uses as much as digits as its factorization.

2606606263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84084104.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 2606606263 is about 51054.9337772560. The cubic root of 2606606263 is about 1376.2325059984.

The spelling of 2606606263 in words is "two billion, six hundred six million, six hundred six thousand, two hundred sixty-three".