2943494447 has 2 divisors, whose sum is σ = 2943494448. Its totient is φ = 2943494446.

The previous prime is 2943494401. The next prime is 2943494453. The reversal of 2943494447 is 7444943492.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2943494447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2943494395 and 2943494404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2943494347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471747223 + 1471747224.

It is an arithmetic number, because the mean of its divisors is an integer number (1471747224).

Almost surely, 2^2943494447 is an apocalyptic number.

2943494447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2943494447 is an equidigital number, since it uses as much as digits as its factorization.

2943494447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 50.

The square root of 2943494447 is about 54253.9809322781. The cubic root of 2943494447 is about 1433.1371047335.

The spelling of 2943494447 in words is "two billion, nine hundred forty-three million, four hundred ninety-four thousand, four hundred forty-seven".