427749274636 has 12 divisors (see below), whose sum is σ = 750266384560. Its totient is φ = 213387450480.

The previous prime is 427749274621. The next prime is 427749274703. The reversal of 427749274636 is 636472947724.

It is a happy number.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121794735 + ... + 121798246.

Almost surely, 2^427749274636 is an apocalyptic number.

It is an amenable number.

427749274636 is a deficient number, since it is larger than the sum of its proper divisors (322517109924).

427749274636 is a wasteful number, since it uses less digits than its factorization.

427749274636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243593424 (or 243593422 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 61.

The spelling of 427749274636 in words is "four hundred twenty-seven billion, seven hundred forty-nine million, two hundred seventy-four thousand, six hundred thirty-six".