47501850217 has 2 divisors, whose sum is σ = 47501850218. Its totient is φ = 47501850216.

The previous prime is 47501850199. The next prime is 47501850229. The reversal of 47501850217 is 71205810574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30981632256 + 16520217961 = 176016^2 + 128531^2 .

It is a cyclic number.

It is not a de Polignac number, because 47501850217 - 2²⁷ = 47367632489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47501850217.

It is not a weakly prime, because it can be changed into another prime (47501850247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23750925108 + 23750925109.

It is an arithmetic number, because the mean of its divisors is an integer number (23750925109).

Almost surely, 2^47501850217 is an apocalyptic number.

It is an amenable number.

47501850217 is a deficient number, since it is larger than the sum of its proper divisors (1).

47501850217 is an equidigital number, since it uses as much as digits as its factorization.

47501850217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 47501850217 in words is "forty-seven billion, five hundred one million, eight hundred fifty thousand, two hundred seventeen".