12943542047 has 2 divisors, whose sum is σ = 12943542048. Its totient is φ = 12943542046.

The previous prime is 12943541999. The next prime is 12943542061. The reversal of 12943542047 is 74024534921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12943542047 - 2¹⁸ = 12943279903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12943541995 and 12943542013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12943542097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6471771023 + 6471771024.

It is an arithmetic number, because the mean of its divisors is an integer number (6471771024).

Almost surely, 2^12943542047 is an apocalyptic number.

12943542047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12943542047 is an equidigital number, since it uses as much as digits as its factorization.

12943542047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 12943542047 in words is "twelve billion, nine hundred forty-three million, five hundred forty-two thousand, forty-seven".