213026143541 has 2 divisors, whose sum is σ = 213026143542. Its totient is φ = 213026143540.

The previous prime is 213026143483. The next prime is 213026143597. The reversal of 213026143541 is 145341620312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158520237316 + 54505906225 = 398146^2 + 233465^2 .

It is a cyclic number.

It is not a de Polignac number, because 213026143541 - 2¹⁰ = 213026142517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213026143498 and 213026143507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213026143241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106513071770 + 106513071771.

It is an arithmetic number, because the mean of its divisors is an integer number (106513071771).

Almost surely, 2^213026143541 is an apocalyptic number.

It is an amenable number.

213026143541 is a deficient number, since it is larger than the sum of its proper divisors (1).

213026143541 is an equidigital number, since it uses as much as digits as its factorization.

213026143541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 213026143541 its reverse (145341620312), we get a palindrome (358367763853).

The spelling of 213026143541 in words is "two hundred thirteen billion, twenty-six million, one hundred forty-three thousand, five hundred forty-one".