506302105981 has 16 divisors (see below), whose sum is σ = 589709113344. Its totient is φ = 425743388784.

The previous prime is 506302105979. The next prime is 506302105987. The reversal of 506302105981 is 189501203605.

It is not a de Polignac number, because 506302105981 - 2¹ = 506302105979 is a prime.

It is a super-2 number, since 2×506302105981² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506302105987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3204265 + ... + 3358558.

It is an arithmetic number, because the mean of its divisors is an integer number (36856819584).

Almost surely, 2^506302105981 is an apocalyptic number.

It is an amenable number.

506302105981 is a deficient number, since it is larger than the sum of its proper divisors (83407007363).

506302105981 is a wasteful number, since it uses less digits than its factorization.

506302105981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563040.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 506302105981 in words is "five hundred six billion, three hundred two million, one hundred five thousand, nine hundred eighty-one".