210851364801 has 32 divisors (see below), whose sum is σ = 350554982400. Its totient is φ = 109517921280.

The previous prime is 210851364791. The next prime is 210851364817. The reversal of 210851364801 is 108463158012.

It is not a de Polignac number, because 210851364801 - 2²² = 210847170497 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 210851364801.

It is not an unprimeable number, because it can be changed into a prime (210851364001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1704865 + ... + 1824353.

It is an arithmetic number, because the mean of its divisors is an integer number (10954843200).

Almost surely, 2^210851364801 is an apocalyptic number.

210851364801 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210851364801 is a deficient number, since it is larger than the sum of its proper divisors (139703617599).

210851364801 is a wasteful number, since it uses less digits than its factorization.

210851364801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127149.

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 210851364801 in words is "two hundred ten billion, eight hundred fifty-one million, three hundred sixty-four thousand, eight hundred one".