506537363623 has 4 divisors (see below), whose sum is σ = 506613415528. Its totient is φ = 506461311720.

The previous prime is 506537363609. The next prime is 506537363663. The reversal of 506537363623 is 326363735605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506537363623 is a prime.

It is a super-2 number, since 2×506537363623² (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 (506537363663) 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, 38015961 + ... + 38029282.

It is an arithmetic number, because the mean of its divisors is an integer number (126653353882).

Almost surely, 2^506537363623 is an apocalyptic number.

506537363623 is a deficient number, since it is larger than the sum of its proper divisors (76051905).

506537363623 is an equidigital number, since it uses as much as digits as its factorization.

506537363623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76051904.

The product of its (nonzero) digits is 6123600, while the sum is 49.

The spelling of 506537363623 in words is "five hundred six billion, five hundred thirty-seven million, three hundred sixty-three thousand, six hundred twenty-three".