210815049316 has 27 divisors (see below), whose sum is σ = 372779241163. Its totient is φ = 104317971200.

The previous prime is 210815049259. The next prime is 210815049331. The reversal of 210815049316 is 613940518012.

The square root of 210815049316 is 459146.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 155732836900 + 55082212416 = 394630^2 + 234696^2 .

It is a super-3 number, since 3×210815049316³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 92746356 + ... + 92748628.

Almost surely, 2^210815049316 is an apocalyptic number.

210815049316 is the 459146-th square number.

It is an amenable number.

210815049316 is a deficient number, since it is larger than the sum of its proper divisors (161964191847).

210815049316 is an frugal number, since it uses more digits than its factorization.

210815049316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4752 (or 2376 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 210815049316 in words is "two hundred ten billion, eight hundred fifteen million, forty-nine thousand, three hundred sixteen".