210993453105 has 16 divisors (see below), whose sum is σ = 337595224704. Its totient is φ = 112527941760.

The previous prime is 210993453091. The next prime is 210993453127. The reversal of 210993453105 is 501354399012.

It is not a de Polignac number, because 210993453105 - 2⁷ = 210993452977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1631532 + ... + 1756098.

It is an arithmetic number, because the mean of its divisors is an integer number (21099701544).

Almost surely, 2^210993453105 is an apocalyptic number.

It is an amenable number.

210993453105 is a deficient number, since it is larger than the sum of its proper divisors (126601771599).

210993453105 is a wasteful number, since it uses less digits than its factorization.

210993453105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237496.

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 210993453105 in words is "two hundred ten billion, nine hundred ninety-three million, four hundred fifty-three thousand, one hundred five".