505706060631 has 4 divisors (see below), whose sum is σ = 674274747512. Its totient is φ = 337137373752.

The previous prime is 505706060611. The next prime is 505706060669. The reversal of 505706060631 is 136060607505.

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

It is not a de Polignac number, because 505706060631 - 2²⁷ = 505571842903 is a prime.

It is a super-2 number, since 2×505706060631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505706060631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505706060611) 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, 84284343436 + ... + 84284343441.

It is an arithmetic number, because the mean of its divisors is an integer number (168568686878).

Almost surely, 2^505706060631 is an apocalyptic number.

505706060631 is a deficient number, since it is larger than the sum of its proper divisors (168568686881).

505706060631 is a wasteful number, since it uses less digits than its factorization.

505706060631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168568686880.

The product of its (nonzero) digits is 113400, while the sum is 39.

The spelling of 505706060631 in words is "five hundred five billion, seven hundred six million, sixty thousand, six hundred thirty-one".