512421606437 has 16 divisors (see below), whose sum is σ = 563671368960. Its totient is φ = 462865499712.

The previous prime is 512421606421. The next prime is 512421606449. The reversal of 512421606437 is 734606124215.

It is a cyclic number.

It is not a de Polignac number, because 512421606437 - 2⁴ = 512421606421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 512421606394 and 512421606403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512421606457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3887738 + ... + 4017380.

It is an arithmetic number, because the mean of its divisors is an integer number (35229460560).

Almost surely, 2^512421606437 is an apocalyptic number.

It is an amenable number.

512421606437 is a deficient number, since it is larger than the sum of its proper divisors (51249762523).

512421606437 is a wasteful number, since it uses less digits than its factorization.

512421606437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136172.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 512421606437 in words is "five hundred twelve billion, four hundred twenty-one million, six hundred six thousand, four hundred thirty-seven".