210245544133 has 4 divisors (see below), whose sum is σ = 222612929100. Its totient is φ = 197878159168.

The previous prime is 210245544083. The next prime is 210245544149. The reversal of 210245544133 is 331445542012.

210245544133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 166172000164 + 44073543969 = 407642^2 + 209937^2 .

It is a cyclic number.

It is not a de Polignac number, because 210245544133 - 2¹⁷ = 210245413061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210245544193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6183692458 + ... + 6183692491.

It is an arithmetic number, because the mean of its divisors is an integer number (55653232275).

Almost surely, 2^210245544133 is an apocalyptic number.

It is an amenable number.

210245544133 is a deficient number, since it is larger than the sum of its proper divisors (12367384967).

210245544133 is a wasteful number, since it uses less digits than its factorization.

210245544133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12367384966.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 210245544133 in words is "two hundred ten billion, two hundred forty-five million, five hundred forty-four thousand, one hundred thirty-three".