506346545521 has 8 divisors (see below), whose sum is σ = 536641771104. Its totient is φ = 476108001600.

The previous prime is 506346545483. The next prime is 506346545539. The reversal of 506346545521 is 125545643605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 506346545521 - 2²¹ = 506344448369 is a prime.

It is a super-2 number, since 2×506346545521² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506346545821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14152015 + ... + 14187748.

It is an arithmetic number, because the mean of its divisors is an integer number (67080221388).

Almost surely, 2^506346545521 is an apocalyptic number.

It is an amenable number.

506346545521 is a deficient number, since it is larger than the sum of its proper divisors (30295225583).

506346545521 is a wasteful number, since it uses less digits than its factorization.

506346545521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28340831.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 506346545521 in words is "five hundred six billion, three hundred forty-six million, five hundred forty-five thousand, five hundred twenty-one".