4636694213 has 2 divisors, whose sum is σ = 4636694214. Its totient is φ = 4636694212.

The previous prime is 4636694173. The next prime is 4636694239. The reversal of 4636694213 is 3124966364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2852307649 + 1784386564 = 53407^2 + 42242^2 .

It is a cyclic number.

It is not a de Polignac number, because 4636694213 - 2¹⁰ = 4636693189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4636694113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2318347106 + 2318347107.

It is an arithmetic number, because the mean of its divisors is an integer number (2318347107).

Almost surely, 2^4636694213 is an apocalyptic number.

It is an amenable number.

4636694213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4636694213 is an equidigital number, since it uses as much as digits as its factorization.

4636694213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 44.

The square root of 4636694213 is about 68093.2758280875. The cubic root of 4636694213 is about 1667.5139858283.

The spelling of 4636694213 in words is "four billion, six hundred thirty-six million, six hundred ninety-four thousand, two hundred thirteen".