210370534085 has 4 divisors (see below), whose sum is σ = 252444640908. Its totient is φ = 168296427264.

The previous prime is 210370534081. The next prime is 210370534111. The reversal of 210370534085 is 580435073012.

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 122299881796 + 88070652289 = 349714^2 + 296767^2 .

It is a cyclic number.

It is not a de Polignac number, because 210370534085 - 2² = 210370534081 is a prime.

It is a super-2 number, since 2×210370534085² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210370534081) 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, 21037053404 + ... + 21037053413.

It is an arithmetic number, because the mean of its divisors is an integer number (63111160227).

Almost surely, 2^210370534085 is an apocalyptic number.

It is an amenable number.

210370534085 is a deficient number, since it is larger than the sum of its proper divisors (42074106823).

210370534085 is an equidigital number, since it uses as much as digits as its factorization.

210370534085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42074106822.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 210370534085 in words is "two hundred ten billion, three hundred seventy million, five hundred thirty-four thousand, eighty-five".