213054250084 has 81 divisors (see below), whose sum is σ = 414776692449. Its totient is φ = 95712814080.

The previous prime is 213054250067. The next prime is 213054250093. The reversal of 213054250084 is 480052450312.

The square root of 213054250084 is 461578.

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

It can be written as a sum of positive squares in 13 ways, for example, as 142489640484 + 70564609600 = 377478^2 + 265640^2 .

It is a super-2 number, since 2×213054250084² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 492041932 + ... + 492042364.

Almost surely, 2^213054250084 is an apocalyptic number.

213054250084 is the 461578-th square number.

It is an amenable number.

213054250084 is a deficient number, since it is larger than the sum of its proper divisors (201722442365).

213054250084 is an equidigital number, since it uses as much as digits as its factorization.

213054250084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 213054250084 in words is "two hundred thirteen billion, fifty-four million, two hundred fifty thousand, eighty-four".