4447471603213 has 2 divisors, whose sum is σ = 4447471603214. Its totient is φ = 4447471603212.

The previous prime is 4447471603153. The next prime is 4447471603217. The reversal of 4447471603213 is 3123061747444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4319692521769 + 127779081444 = 2078387^2 + 357462^2 .

It is a cyclic number.

It is not a de Polignac number, because 4447471603213 - 2²¹ = 4447469506061 is a prime.

It is a super-2 number, since 2×4447471603213² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4447471603217) 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, 2223735801606 + 2223735801607.

It is an arithmetic number, because the mean of its divisors is an integer number (2223735801607).

Almost surely, 2^{4447471603213} is an apocalyptic number.

It is an amenable number.

4447471603213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4447471603213 is an equidigital number, since it uses as much as digits as its factorization.

4447471603213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 46.

The spelling of 4447471603213 in words is "four trillion, four hundred forty-seven billion, four hundred seventy-one million, six hundred three thousand, two hundred thirteen".