2944147391 has 2 divisors, whose sum is σ = 2944147392. Its totient is φ = 2944147390.

The previous prime is 2944147379. The next prime is 2944147417. The reversal of 2944147391 is 1937414492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2944147391 - 2¹⁰ = 2944146367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2944147301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472073695 + 1472073696.

It is an arithmetic number, because the mean of its divisors is an integer number (1472073696).

Almost surely, 2^2944147391 is an apocalyptic number.

2944147391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2944147391 is an equidigital number, since it uses as much as digits as its factorization.

2944147391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 2944147391 is about 54259.9980740877. The cubic root of 2944147391 is about 1433.2430659877.

The spelling of 2944147391 in words is "two billion, nine hundred forty-four million, one hundred forty-seven thousand, three hundred ninety-one".