2421776213 has 2 divisors, whose sum is σ = 2421776214. Its totient is φ = 2421776212.

The previous prime is 2421776197. The next prime is 2421776251. The reversal of 2421776213 is 3126771242.

2421776213 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., 2408650084 + 13126129 = 49078^2 + 3623^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421776213 - 2⁴ = 2421776197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421766213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210888106 + 1210888107.

It is an arithmetic number, because the mean of its divisors is an integer number (1210888107).

Almost surely, 2^2421776213 is an apocalyptic number.

It is an amenable number.

2421776213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421776213 is an equidigital number, since it uses as much as digits as its factorization.

2421776213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 2421776213 is about 49211.5455254151. The cubic root of 2421776213 is about 1342.9030794710.

The spelling of 2421776213 in words is "two billion, four hundred twenty-one million, seven hundred seventy-six thousand, two hundred thirteen".