210316812953 has 8 divisors (see below), whose sum is σ = 226499637000. Its totient is φ = 194134647168.

The previous prime is 210316812949. The next prime is 210316812973. The reversal of 210316812953 is 359218613012.

It can be written as a sum of positive squares in 4 ways, for example, as 6154716304 + 204162096649 = 78452^2 + 451843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210316812953 - 2² = 210316812949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210316812953.

It is not an unprimeable number, because it can be changed into a prime (210316812973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647453 + ... + 916421.

It is an arithmetic number, because the mean of its divisors is an integer number (28312454625).

Almost surely, 2^210316812953 is an apocalyptic number.

It is an amenable number.

210316812953 is a deficient number, since it is larger than the sum of its proper divisors (16182824047).

210316812953 is a wasteful number, since it uses less digits than its factorization.

210316812953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329131.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 210316812953 in words is "two hundred ten billion, three hundred sixteen million, eight hundred twelve thousand, nine hundred fifty-three".