47367842939 has 2 divisors, whose sum is σ = 47367842940. Its totient is φ = 47367842938.

The previous prime is 47367842909. The next prime is 47367842941. The reversal of 47367842939 is 93924876374.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47367842939 is a prime.

It is a Sophie Germain prime.

Together with 47367842941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47367842909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23683921469 + 23683921470.

It is an arithmetic number, because the mean of its divisors is an integer number (23683921470).

Almost surely, 2^47367842939 is an apocalyptic number.

47367842939 is a deficient number, since it is larger than the sum of its proper divisors (1).

47367842939 is an equidigital number, since it uses as much as digits as its factorization.

47367842939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54867456, while the sum is 62.

The spelling of 47367842939 in words is "forty-seven billion, three hundred sixty-seven million, eight hundred forty-two thousand, nine hundred thirty-nine".