2213204047997 has 2 divisors, whose sum is σ = 2213204047998. Its totient is φ = 2213204047996.

The previous prime is 2213204047981. The next prime is 2213204048009. The reversal of 2213204047997 is 7997404023122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1127969319481 + 1085234728516 = 1062059^2 + 1041746^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213204047997 - 2⁴ = 2213204047981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2213204047907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106602023998 + 1106602023999.

It is an arithmetic number, because the mean of its divisors is an integer number (1106602023999).

Almost surely, 2^{2213204047997} is an apocalyptic number.

It is an amenable number.

2213204047997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213204047997 is an equidigital number, since it uses as much as digits as its factorization.

2213204047997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 2213204047997 in words is "two trillion, two hundred thirteen billion, two hundred four million, forty-seven thousand, nine hundred ninety-seven".