210535350345 has 48 divisors (see below), whose sum is σ = 373913139600. Its totient is φ = 109522083840.

The previous prime is 210535350329. The next prime is 210535350383. The reversal of 210535350345 is 543053535012.

210535350345 is a `hidden beast` number, since 2 + 10 + 53 + 53 + 503 + 45 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 13857292089 + 196678058256 = 117717^2 + 443484^2 .

It is not a de Polignac number, because 210535350345 - 2⁴ = 210535350329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10449241 + ... + 10469369.

It is an arithmetic number, because the mean of its divisors is an integer number (7789857075).

Almost surely, 2^210535350345 is an apocalyptic number.

It is an amenable number.

210535350345 is a deficient number, since it is larger than the sum of its proper divisors (163377789255).

210535350345 is a wasteful number, since it uses less digits than its factorization.

210535350345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25850 (or 25847 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

Adding to 210535350345 its reverse (543053535012), we get a palindrome (753588885357).

The spelling of 210535350345 in words is "two hundred ten billion, five hundred thirty-five million, three hundred fifty thousand, three hundred forty-five".