3147663943 has 2 divisors, whose sum is σ = 3147663944. Its totient is φ = 3147663942.

The previous prime is 3147663907. The next prime is 3147663949. The reversal of 3147663943 is 3493667413.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3493667413) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3147663943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3147663893 and 3147663902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3147663949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573831971 + 1573831972.

It is an arithmetic number, because the mean of its divisors is an integer number (1573831972).

Almost surely, 2^3147663943 is an apocalyptic number.

3147663943 is a deficient number, since it is larger than the sum of its proper divisors (1).

3147663943 is an equidigital number, since it uses as much as digits as its factorization.

3147663943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 46.

The square root of 3147663943 is about 56104.0456919107. The cubic root of 3147663943 is about 1465.5347468351.

The spelling of 3147663943 in words is "three billion, one hundred forty-seven million, six hundred sixty-three thousand, nine hundred forty-three".