213343144300549 has 4 divisors (see below), whose sum is σ = 213681247540960. Its totient is φ = 213005041060140.

The previous prime is 213343144300543. The next prime is 213343144300553. The reversal of 213343144300549 is 945003441343312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213343144300549 - 2³⁹ = 212793388486661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213343144300499 and 213343144300508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213343144300543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169051619259 + ... + 169051620520.

It is an arithmetic number, because the mean of its divisors is an integer number (53420311885240).

Almost surely, 2^{213343144300549} is an apocalyptic number.

It is an amenable number.

213343144300549 is a deficient number, since it is larger than the sum of its proper divisors (338103240411).

213343144300549 is an equidigital number, since it uses as much as digits as its factorization.

213343144300549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338103240410.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 213343144300549 in words is "two hundred thirteen trillion, three hundred forty-three billion, one hundred forty-four million, three hundred thousand, five hundred forty-nine".