3144456643 has 2 divisors, whose sum is σ = 3144456644. Its totient is φ = 3144456642.

The previous prime is 3144456599. The next prime is 3144456683. The reversal of 3144456643 is 3466544413.

It is an a-pointer prime, because the next prime (3144456683) can be obtained adding 3144456643 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3144456643 - 2¹⁷ = 3144325571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3144456596 and 3144456605.

It is not a weakly prime, because it can be changed into another prime (3144456683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572228321 + 1572228322.

It is an arithmetic number, because the mean of its divisors is an integer number (1572228322).

Almost surely, 2^3144456643 is an apocalyptic number.

3144456643 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144456643 is an equidigital number, since it uses as much as digits as its factorization.

3144456643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 40.

The square root of 3144456643 is about 56075.4549067593. The cubic root of 3144456643 is about 1465.0368106861.

The spelling of 3144456643 in words is "three billion, one hundred forty-four million, four hundred fifty-six thousand, six hundred forty-three".