213356653229 has 2 divisors, whose sum is σ = 213356653230. Its totient is φ = 213356653228.

The previous prime is 213356653207. The next prime is 213356653327. The reversal of 213356653229 is 922356653312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212703595204 + 653058025 = 461198^2 + 25555^2 .

It is a cyclic number.

It is not a de Polignac number, because 213356653229 - 2²⁰ = 213355604653 is a prime.

It is a super-2 number, since 2×213356653229² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213356653729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106678326614 + 106678326615.

It is an arithmetic number, because the mean of its divisors is an integer number (106678326615).

Almost surely, 2^213356653229 is an apocalyptic number.

It is an amenable number.

213356653229 is a deficient number, since it is larger than the sum of its proper divisors (1).

213356653229 is an equidigital number, since it uses as much as digits as its factorization.

213356653229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1749600, while the sum is 47.

The spelling of 213356653229 in words is "two hundred thirteen billion, three hundred fifty-six million, six hundred fifty-three thousand, two hundred twenty-nine".