512500043428 has 12 divisors (see below), whose sum is σ = 899318879872. Its totient is φ = 255551792040.

The previous prime is 512500043389. The next prime is 512500043467. The reversal of 512500043428 is 824340005215.

It is an interprime number because it is at equal distance from previous prime (512500043389) and next prime (512500043467).

It is a junction number, because it is equal to n+sod(n) for n = 512500043393 and 512500043402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174555768 + ... + 174558703.

Almost surely, 2^512500043428 is an apocalyptic number.

It is an amenable number.

512500043428 is a deficient number, since it is larger than the sum of its proper divisors (386818836444).

512500043428 is a wasteful number, since it uses less digits than its factorization.

512500043428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349114842 (or 349114840 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 512500043428 in words is "five hundred twelve billion, five hundred million, forty-three thousand, four hundred twenty-eight".