213551135033407 has 2 divisors, whose sum is σ = 213551135033408. Its totient is φ = 213551135033406.

The previous prime is 213551135033377. The next prime is 213551135033479. The reversal of 213551135033407 is 704330531155312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213551135033407 - 2²⁷ = 213551000815679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213551135003407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106775567516703 + 106775567516704.

It is an arithmetic number, because the mean of its divisors is an integer number (106775567516704).

Almost surely, 2^{213551135033407} is an apocalyptic number.

213551135033407 is a deficient number, since it is larger than the sum of its proper divisors (1).

213551135033407 is an equidigital number, since it uses as much as digits as its factorization.

213551135033407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567000, while the sum is 43.

Adding to 213551135033407 its reverse (704330531155312), we get a palindrome (917881666188719).

The spelling of 213551135033407 in words is "two hundred thirteen trillion, five hundred fifty-one billion, one hundred thirty-five million, thirty-three thousand, four hundred seven".