2623254643 has 2 divisors, whose sum is σ = 2623254644. Its totient is φ = 2623254642.

The previous prime is 2623254617. The next prime is 2623254677. The reversal of 2623254643 is 3464523262.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2623254643 is a prime.

It is not a weakly prime, because it can be changed into another prime (2623254043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1311627321 + 1311627322.

It is an arithmetic number, because the mean of its divisors is an integer number (1311627322).

Almost surely, 2^2623254643 is an apocalyptic number.

2623254643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2623254643 is an equidigital number, since it uses as much as digits as its factorization.

2623254643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 37.

The square root of 2623254643 is about 51217.7180573286. The cubic root of 2623254643 is about 1379.1562865875.

The spelling of 2623254643 in words is "two billion, six hundred twenty-three million, two hundred fifty-four thousand, six hundred forty-three".