210100993 has 8 divisors (see below), whose sum is σ = 222112800. Its totient is φ = 198184608.

The previous prime is 210100991. The next prime is 210100997. The reversal of 210100993 is 399001012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210100993 - 2¹ = 210100991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210100991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19303 + ... + 28156.

It is an arithmetic number, because the mean of its divisors is an integer number (27764100).

Almost surely, 2^210100993 is an apocalyptic number.

It is an amenable number.

210100993 is a deficient number, since it is larger than the sum of its proper divisors (12011807).

210100993 is a wasteful number, since it uses less digits than its factorization.

210100993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47711.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 210100993 is about 14494.8609168905. The cubic root of 210100993 is about 594.4874648484.

The spelling of 210100993 in words is "two hundred ten million, one hundred thousand, nine hundred ninety-three".