506231601435989 has 64 divisors (see below), whose sum is σ = 629364788828160. Its totient is φ = 400316393790720.

The previous prime is 506231601435977. The next prime is 506231601436153. The reversal of 506231601435989 is 989534106132605.

It is not a de Polignac number, because 506231601435989 - 2⁴⁴ = 488639415391573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506231601435919) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 405592847 + ... + 406839059.

It is an arithmetic number, because the mean of its divisors is an integer number (9833824825440).

Almost surely, 2^{506231601435989} is an apocalyptic number.

It is an amenable number.

506231601435989 is a deficient number, since it is larger than the sum of its proper divisors (123133187392171).

506231601435989 is a wasteful number, since it uses less digits than its factorization.

506231601435989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247050.

The product of its (nonzero) digits is 41990400, while the sum is 62.

The spelling of 506231601435989 in words is "five hundred six trillion, two hundred thirty-one billion, six hundred one million, four hundred thirty-five thousand, nine hundred eighty-nine".