3851243128 has 16 divisors (see below), whose sum is σ = 7221989880. Its totient is φ = 1925379168.

The previous prime is 3851243063. The next prime is 3851243159. The reversal of 3851243128 is 8213421583.

It is a congruent number.

It is an unprimeable number.

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, 49626 + ... + 100822.

Almost surely, 2^3851243128 is an apocalyptic number.

It is an amenable number.

3851243128 is a deficient number, since it is larger than the sum of its proper divisors (3370746752).

3851243128 is a wasteful number, since it uses less digits than its factorization.

3851243128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60606 (or 60602 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 3851243128 is about 62058.3848323496. The cubic root of 3851243128 is about 1567.4738783509.

The spelling of 3851243128 in words is "three billion, eight hundred fifty-one million, two hundred forty-three thousand, one hundred twenty-eight".