3641632213 has 2 divisors, whose sum is σ = 3641632214. Its totient is φ = 3641632212.

The previous prime is 3641632199. The next prime is 3641632231. The reversal of 3641632213 is 3122361463.

Together with next prime (3641632231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3522778609 + 118853604 = 59353^2 + 10902^2 .

It is a cyclic number.

It is not a de Polignac number, because 3641632213 - 2²⁹ = 3104761301 is a prime.

It is a super-2 number, since 2×3641632213² = 26522970349518554738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3641632513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820816106 + 1820816107.

It is an arithmetic number, because the mean of its divisors is an integer number (1820816107).

Almost surely, 2^3641632213 is an apocalyptic number.

It is an amenable number.

3641632213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3641632213 is an equidigital number, since it uses as much as digits as its factorization.

3641632213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

The square root of 3641632213 is about 60345.9378334615. The cubic root of 3641632213 is about 1538.5042277873.

Adding to 3641632213 its reverse (3122361463), we get a palindrome (6763993676).

The spelling of 3641632213 in words is "three billion, six hundred forty-one million, six hundred thirty-two thousand, two hundred thirteen".