427675646546 has 12 divisors (see below), whose sum is σ = 659320275978. Its totient is φ = 208058421312.

The previous prime is 427675646537. The next prime is 427675646549. The reversal of 427675646546 is 645646576724.

It can be written as a sum of positive squares in 3 ways, for example, as 424393617025 + 3282029521 = 651455^2 + 57289^2 .

It is not an unprimeable number, because it can be changed into a prime (427675646549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78097271 + ... + 78102746.

Almost surely, 2^427675646546 is an apocalyptic number.

427675646546 is a deficient number, since it is larger than the sum of its proper divisors (231644629432).

427675646546 is a wasteful number, since it uses less digits than its factorization.

427675646546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156200093 (or 156200056 counting only the distinct ones).

The product of its digits is 203212800, while the sum is 62.

The spelling of 427675646546 in words is "four hundred twenty-seven billion, six hundred seventy-five million, six hundred forty-six thousand, five hundred forty-six".