2642709263 has 2 divisors, whose sum is σ = 2642709264. Its totient is φ = 2642709262.

The previous prime is 2642709241. The next prime is 2642709299. The reversal of 2642709263 is 3629072462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2642709263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2642709263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2642709463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321354631 + 1321354632.

It is an arithmetic number, because the mean of its divisors is an integer number (1321354632).

Almost surely, 2^2642709263 is an apocalyptic number.

2642709263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642709263 is an equidigital number, since it uses as much as digits as its factorization.

2642709263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 2642709263 is about 51407.2880338965. The cubic root of 2642709263 is about 1382.5572660318.

The spelling of 2642709263 in words is "two billion, six hundred forty-two million, seven hundred nine thousand, two hundred sixty-three".