213330625016533 has 4 divisors (see below), whose sum is σ = 218533810992588. Its totient is φ = 208127439040480.

The previous prime is 213330625016497. The next prime is 213330625016557. The reversal of 213330625016533 is 335610526033312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108811122600049 + 104519502416484 = 10431257^2 + 10223478^2 .

It is a cyclic number.

It is not a de Polignac number, because 213330625016533 - 2²⁹ = 213330088145621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213330625016533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213330625016233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2601592987966 + ... + 2601592988047.

It is an arithmetic number, because the mean of its divisors is an integer number (54633452748147).

Almost surely, 2^{213330625016533} is an apocalyptic number.

It is an amenable number.

213330625016533 is a deficient number, since it is larger than the sum of its proper divisors (5203185976055).

213330625016533 is an equidigital number, since it uses as much as digits as its factorization.

213330625016533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203185976054.

The product of its (nonzero) digits is 874800, while the sum is 43.

The spelling of 213330625016533 in words is "two hundred thirteen trillion, three hundred thirty billion, six hundred twenty-five million, sixteen thousand, five hundred thirty-three".