2642246443 has 2 divisors, whose sum is σ = 2642246444. Its totient is φ = 2642246442.

The previous prime is 2642246407. The next prime is 2642246447. The reversal of 2642246443 is 3446422462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2642246443 is a prime.

It is not a weakly prime, because it can be changed into another prime (2642246447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321123221 + 1321123222.

It is an arithmetic number, because the mean of its divisors is an integer number (1321123222).

Almost surely, 2^2642246443 is an apocalyptic number.

2642246443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642246443 is an equidigital number, since it uses as much as digits as its factorization.

2642246443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 37.

The square root of 2642246443 is about 51402.7863349838. The cubic root of 2642246443 is about 1382.4765518293.

The spelling of 2642246443 in words is "two billion, six hundred forty-two million, two hundred forty-six thousand, four hundred forty-three".