213413533451 has 2 divisors, whose sum is σ = 213413533452. Its totient is φ = 213413533450.

The previous prime is 213413533439. The next prime is 213413533477. The reversal of 213413533451 is 154335314312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213413533451 - 2¹⁰ = 213413532427 is a prime.

It is not a weakly prime, because it can be changed into another prime (213413533481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106706766725 + 106706766726.

It is an arithmetic number, because the mean of its divisors is an integer number (106706766726).

Almost surely, 2^213413533451 is an apocalyptic number.

213413533451 is a deficient number, since it is larger than the sum of its proper divisors (1).

213413533451 is an equidigital number, since it uses as much as digits as its factorization.

213413533451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 35.

Adding to 213413533451 its reverse (154335314312), we get a palindrome (367748847763).

The spelling of 213413533451 in words is "two hundred thirteen billion, four hundred thirteen million, five hundred thirty-three thousand, four hundred fifty-one".