210724344845 has 32 divisors (see below), whose sum is σ = 290281356288. Its totient is φ = 143853355008.

The previous prime is 210724344833. The next prime is 210724344911. The reversal of 210724344845 is 548443427012.

It is a cyclic number.

It is not a de Polignac number, because 210724344845 - 2¹⁰ = 210724343821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210724344796 and 210724344805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19000892 + ... + 19011978.

It is an arithmetic number, because the mean of its divisors is an integer number (9071292384).

Almost surely, 2^210724344845 is an apocalyptic number.

It is an amenable number.

210724344845 is a deficient number, since it is larger than the sum of its proper divisors (79557011443).

210724344845 is a wasteful number, since it uses less digits than its factorization.

210724344845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13469.

The product of its (nonzero) digits is 860160, while the sum is 44.

The spelling of 210724344845 in words is "two hundred ten billion, seven hundred twenty-four million, three hundred forty-four thousand, eight hundred forty-five".