47216505307 has 2 divisors, whose sum is σ = 47216505308. Its totient is φ = 47216505306.

The previous prime is 47216505289. The next prime is 47216505311. The reversal of 47216505307 is 70350561274.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47216505307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47216505307.

It is not a weakly prime, because it can be changed into another prime (47216505107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23608252653 + 23608252654.

It is an arithmetic number, because the mean of its divisors is an integer number (23608252654).

Almost surely, 2^47216505307 is an apocalyptic number.

47216505307 is a deficient number, since it is larger than the sum of its proper divisors (1).

47216505307 is an equidigital number, since it uses as much as digits as its factorization.

47216505307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 47216505307 in words is "forty-seven billion, two hundred sixteen million, five hundred five thousand, three hundred seven".