206813793764484 has 81 divisors (see below), whose sum is σ = 524503029994671. Its totient is φ = 68711372634240.

The previous prime is 206813793764467. The next prime is 206813793764531. The reversal of 206813793764484 is 484467397318602.

The square root of 206813793764484 is 14381022.

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

206813793764484 is a `hidden beast` number, since 2 + 0 + 6 + 8 + 1 + 3 + 79 + 3 + 76 + 4 + 484 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 111023100562500 + 95790693201984 = 10536750^2 + 9787272^2 .

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, 27352700064 + ... + 27352707624.

Almost surely, 2^{206813793764484} is an apocalyptic number.

206813793764484 is the 14381022-nd square number.

It is an amenable number.

206813793764484 is an abundant number, since it is smaller than the sum of its proper divisors (317689236230187).

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

206813793764484 is an frugal number, since it uses more digits than its factorization.

206813793764484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15766 (or 7883 counting only the distinct ones).

The product of its (nonzero) digits is 1170505728, while the sum is 72.

The spelling of 206813793764484 in words is "two hundred six trillion, eight hundred thirteen billion, seven hundred ninety-three million, seven hundred sixty-four thousand, four hundred eighty-four".