2447117213 has 2 divisors, whose sum is σ = 2447117214. Its totient is φ = 2447117212.

The previous prime is 2447117209. The next prime is 2447117227. The reversal of 2447117213 is 3127117442.

2447117213 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 can be written as a sum of positive squares in only one way, i.e., 1260108004 + 1187009209 = 35498^2 + 34453^2 .

It is a cyclic number.

It is not a de Polignac number, because 2447117213 - 2² = 2447117209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2447117213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2447117273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1223558606 + 1223558607.

It is an arithmetic number, because the mean of its divisors is an integer number (1223558607).

Almost surely, 2^2447117213 is an apocalyptic number.

It is an amenable number.

2447117213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2447117213 is an equidigital number, since it uses as much as digits as its factorization.

2447117213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 32.

The square root of 2447117213 is about 49468.3455656241. The cubic root of 2447117213 is about 1347.5707961881.

The spelling of 2447117213 in words is "two billion, four hundred forty-seven million, one hundred seventeen thousand, two hundred thirteen".