221049474830604 has 72 divisors (see below), whose sum is σ = 638780126144160. Its totient is φ = 63137929185792.

The previous prime is 221049474830579. The next prime is 221049474830617. The reversal of 221049474830604 is 406038474940122.

221049474830604 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 494 + 74 + 83 + 0 + 6 + 0 + 4 = 666.

It is a super-3 number, since 3×221049474830604³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131549739 + ... + 133219490.

Almost surely, 2^{221049474830604} is an apocalyptic number.

It is an amenable number.

221049474830604 is an abundant number, since it is smaller than the sum of its proper divisors (417730651313556).

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

221049474830604 is a wasteful number, since it uses less digits than its factorization.

221049474830604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264772559 (or 264772554 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 54.

The spelling of 221049474830604 in words is "two hundred twenty-one trillion, forty-nine billion, four hundred seventy-four million, eight hundred thirty thousand, six hundred four".