306063636381 has 12 divisors (see below), whose sum is σ = 452874649500. Its totient is φ = 199065779520.

The previous prime is 306063636367. The next prime is 306063636409. The reversal of 306063636381 is 183636360603.

306063636381 is a `hidden beast` number, since 3 + 0 + 6 + 0 + 6 + 3 + 6 + 3 + 638 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 60081363225 + 245982273156 = 245115^2 + 495966^2 .

It is not a de Polignac number, because 306063636381 - 2¹⁷ = 306063505309 is a prime.

It is a super-2 number, since 2×306063636381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306063836381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414720006 + ... + 414720743.

It is an arithmetic number, because the mean of its divisors is an integer number (37739554125).

Almost surely, 2^306063636381 is an apocalyptic number.

It is an amenable number.

306063636381 is a deficient number, since it is larger than the sum of its proper divisors (146811013119).

306063636381 is a wasteful number, since it uses less digits than its factorization.

306063636381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829440796 (or 829440793 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 45.

Adding to 306063636381 its reverse (183636360603), we get a palindrome (489699996984).

The spelling of 306063636381 in words is "three hundred six billion, sixty-three million, six hundred thirty-six thousand, three hundred eighty-one".