47040804046979 has 2 divisors, whose sum is σ = 47040804046980. Its totient is φ = 47040804046978.

The previous prime is 47040804046961. The next prime is 47040804046981. The reversal of 47040804046979 is 97964040804074.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47040804046979 is a prime.

Together with 47040804046981, 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 (47040804046679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23520402023489 + 23520402023490.

It is an arithmetic number, because the mean of its divisors is an integer number (23520402023490).

Almost surely, 2^{47040804046979} is an apocalyptic number.

47040804046979 is a deficient number, since it is larger than the sum of its proper divisors (1).

47040804046979 is an equidigital number, since it uses as much as digits as its factorization.

47040804046979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48771072, while the sum is 62.

The spelling of 47040804046979 in words is "forty-seven trillion, forty billion, eight hundred four million, forty-six thousand, nine hundred seventy-nine".