210461214345 has 16 divisors (see below), whose sum is σ = 338146894080. Its totient is φ = 111776330624.

The previous prime is 210461214343. The next prime is 210461214389. The reversal of 210461214345 is 543412164012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210461214345 - 2¹ = 210461214343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210461214343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29349444 + ... + 29356613.

It is an arithmetic number, because the mean of its divisors is an integer number (21134180880).

Almost surely, 2^210461214345 is an apocalyptic number.

It is an amenable number.

210461214345 is a deficient number, since it is larger than the sum of its proper divisors (127685679735).

210461214345 is a wasteful number, since it uses less digits than its factorization.

210461214345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58706304.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 210461214345 its reverse (543412164012), we get a palindrome (753873378357).

The spelling of 210461214345 in words is "two hundred ten billion, four hundred sixty-one million, two hundred fourteen thousand, three hundred forty-five".