47061745979 has 2 divisors, whose sum is σ = 47061745980. Its totient is φ = 47061745978.

The previous prime is 47061745967. The next prime is 47061746029. The reversal of 47061745979 is 97954716074.

47061745979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47061745979 is a prime.

It is not a weakly prime, because it can be changed into another prime (47061745919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23530872989 + 23530872990.

It is an arithmetic number, because the mean of its divisors is an integer number (23530872990).

Almost surely, 2^47061745979 is an apocalyptic number.

47061745979 is a deficient number, since it is larger than the sum of its proper divisors (1).

47061745979 is an equidigital number, since it uses as much as digits as its factorization.

47061745979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13335840, while the sum is 59.

The spelling of 47061745979 in words is "forty-seven billion, sixty-one million, seven hundred forty-five thousand, nine hundred seventy-nine".