210684493380 has 96 divisors (see below), whose sum is σ = 623798719488. Its totient is φ = 53044070400.

The previous prime is 210684493373. The next prime is 210684493387. The reversal of 210684493380 is 83394486012.

It is an interprime number because it is at equal distance from previous prime (210684493373) and next prime (210684493387).

It is not an unprimeable number, because it can be changed into a prime (210684493387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1305097 + ... + 1457616.

It is an arithmetic number, because the mean of its divisors is an integer number (6497903328).

Almost surely, 2^210684493380 is an apocalyptic number.

210684493380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210684493380 is an abundant number, since it is smaller than the sum of its proper divisors (413114226108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210684493380 is a wasteful number, since it uses less digits than its factorization.

210684493380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762797 (or 2762795 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 210684493380 in words is "two hundred ten billion, six hundred eighty-four million, four hundred ninety-three thousand, three hundred eighty".