506251065623 has 12 divisors (see below), whose sum is σ = 514563916320. Its totient is φ = 497992678560.

The previous prime is 506251065589. The next prime is 506251065637. The reversal of 506251065623 is 326560152605.

It is not a de Polignac number, because 506251065623 - 2⁶ = 506251065559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506251265623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5758211 + ... + 5845467.

It is an arithmetic number, because the mean of its divisors is an integer number (42880326360).

Almost surely, 2^506251065623 is an apocalyptic number.

506251065623 is a deficient number, since it is larger than the sum of its proper divisors (8312850697).

506251065623 is an frugal number, since it uses more digits than its factorization.

506251065623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87878 (or 87607 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 506251065623 in words is "five hundred six billion, two hundred fifty-one million, sixty-five thousand, six hundred twenty-three".