505446646127 has 4 divisors (see below), whose sum is σ = 505464502656. Its totient is φ = 505428789600.

The previous prime is 505446646123. The next prime is 505446646193. The reversal of 505446646127 is 721646644505.

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

It is a cyclic number.

It is not a de Polignac number, because 505446646127 - 2² = 505446646123 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 (505446646123) 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, 8885738 + ... + 8942439.

It is an arithmetic number, because the mean of its divisors is an integer number (126366125664).

Almost surely, 2^505446646127 is an apocalyptic number.

505446646127 is a deficient number, since it is larger than the sum of its proper divisors (17856529).

505446646127 is a wasteful number, since it uses less digits than its factorization.

505446646127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17856528.

The product of its (nonzero) digits is 4838400, while the sum is 50.

The spelling of 505446646127 in words is "five hundred five billion, four hundred forty-six million, six hundred forty-six thousand, one hundred twenty-seven".