506231601435993 has 4 divisors (see below), whose sum is σ = 674975468581328. Its totient is φ = 337487734290660.

The previous prime is 506231601435977. The next prime is 506231601436153. The reversal of 506231601435993 is 399534106132605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 506231601435993 - 2⁴ = 506231601435977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (506231601445993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84371933572663 + ... + 84371933572668.

It is an arithmetic number, because the mean of its divisors is an integer number (168743867145332).

Almost surely, 2^{506231601435993} is an apocalyptic number.

It is an amenable number.

506231601435993 is a deficient number, since it is larger than the sum of its proper divisors (168743867145335).

506231601435993 is a wasteful number, since it uses less digits than its factorization.

506231601435993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168743867145334.

The product of its (nonzero) digits is 15746400, while the sum is 57.

The spelling of 506231601435993 in words is "five hundred six trillion, two hundred thirty-one billion, six hundred one million, four hundred thirty-five thousand, nine hundred ninety-three".