427645562984 has 16 divisors (see below), whose sum is σ = 849002220900.
Its totient is φ = 201244970752.
The previous prime is 427645562977. The next prime is 427645562987. The reversal of 427645562984 is 489265546724.
It can be written as a sum of positive squares in 2 ways, for example, as 423959858884 + 3685704100 = 651122^2 + 60710^2
It is not an unprimeable number, because it can be changed into a prime (427645562987) 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 3 ways as a sum of consecutive naturals, for example, 1572226199 + ... + 1572226470.
Almost surely, 2427645562984 is an apocalyptic number.
It is an amenable number.
427645562984 is a deficient number, since it is larger than the sum of its proper divisors (421356657916).
427645562984 is a wasteful number, since it uses less digits than its factorization.
427645562984 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3144452692 (or 3144452688 counting only the distinct ones).
The product of its digits is 116121600, while the sum is 62.
The spelling of 427645562984 in words is "four hundred twenty-seven billion, six hundred forty-five million, five hundred sixty-two thousand, nine hundred eighty-four".