47180914579 has 2 divisors, whose sum is σ = 47180914580. Its totient is φ = 47180914578.

The previous prime is 47180914559. The next prime is 47180914601. The reversal of 47180914579 is 97541908174.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47180914579 is a prime.

It is not a weakly prime, because it can be changed into another prime (47180914519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23590457289 + 23590457290.

It is an arithmetic number, because the mean of its divisors is an integer number (23590457290).

Almost surely, 2^47180914579 is an apocalyptic number.

47180914579 is a deficient number, since it is larger than the sum of its proper divisors (1).

47180914579 is an equidigital number, since it uses as much as digits as its factorization.

47180914579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 47180914579 in words is "forty-seven billion, one hundred eighty million, nine hundred fourteen thousand, five hundred seventy-nine".