210808903050 has 84 divisors (see below), whose sum is σ = 587888007990. Its totient is φ = 56215697760.

The previous prime is 210808903049. The next prime is 210808903073. The reversal of 210808903050 is 50309808012.

It can be written as a sum of positive squares in 3 ways, for example, as 192430491561 + 18378411489 = 438669^2 + 135567^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 210808902996 and 210808903014.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 2855305 + ... + 2928204.

Almost surely, 2^210808903050 is an apocalyptic number.

210808903050 is an abundant number, since it is smaller than the sum of its proper divisors (377079104940).

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

210808903050 is an equidigital number, since it uses as much as digits as its factorization.

210808903050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5783539 (or 5783519 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 210808903050 in words is "two hundred ten billion, eight hundred eight million, nine hundred three thousand, fifty".