427697648306 has 16 divisors (see below), whose sum is σ = 649954183320. Its totient is φ = 211055137920.

The previous prime is 427697648239. The next prime is 427697648309. The reversal of 427697648306 is 603846796724.

It can be written as a sum of positive squares in 4 ways, for example, as 286690639225 + 141007009081 = 535435^2 + 375509^2 .

It is not an unprimeable number, because it can be changed into a prime (427697648309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2124401 + ... + 2316996.

Almost surely, 2^427697648306 is an apocalyptic number.

427697648306 is a deficient number, since it is larger than the sum of its proper divisors (222256535014).

427697648306 is a wasteful number, since it uses less digits than its factorization.

427697648306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442029.

The product of its (nonzero) digits is 73156608, while the sum is 62.

The spelling of 427697648306 in words is "four hundred twenty-seven billion, six hundred ninety-seven million, six hundred forty-eight thousand, three hundred six".