506266263993 has 64 divisors (see below), whose sum is σ = 780655656960. Its totient is φ = 285872462400.

The previous prime is 506266263983. The next prime is 506266264051. The reversal of 506266263993 is 399362662605.

It is not a de Polignac number, because 506266263993 - 2²¹ = 506264166841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506266263983) 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 63 ways as a sum of consecutive naturals, for example, 491043388 + ... + 491044418.

It is an arithmetic number, because the mean of its divisors is an integer number (12197744640).

Almost surely, 2^506266263993 is an apocalyptic number.

It is an amenable number.

506266263993 is a deficient number, since it is larger than the sum of its proper divisors (274389392967).

506266263993 is a wasteful number, since it uses less digits than its factorization.

506266263993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938.

The product of its (nonzero) digits is 18895680, while the sum is 57.

The spelling of 506266263993 in words is "five hundred six billion, two hundred sixty-six million, two hundred sixty-three thousand, nine hundred ninety-three".