4889634123428 has 12 divisors (see below), whose sum is σ = 8653004207820. Its totient is φ = 2417347206912.

The previous prime is 4889634123427. The next prime is 4889634123431. The reversal of 4889634123428 is 8243214369884.

It can be written as a sum of positive squares in 2 ways, for example, as 2103799400704 + 2785834722724 = 1450448^2 + 1669082^2 .

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4889634123427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6867463301 + ... + 6867464012.

It is an arithmetic number, because the mean of its divisors is an integer number (721083683985).

Almost surely, 2^{4889634123428} is an apocalyptic number.

It is an amenable number.

4889634123428 is a deficient number, since it is larger than the sum of its proper divisors (3763370084392).

4889634123428 is a wasteful number, since it uses less digits than its factorization.

4889634123428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13734927406 (or 13734927404 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 62.

The spelling of 4889634123428 in words is "four trillion, eight hundred eighty-nine billion, six hundred thirty-four million, one hundred twenty-three thousand, four hundred twenty-eight".