505146657047 has 8 divisors (see below), whose sum is σ = 523564692240. Its totient is φ = 486795234240.

The previous prime is 505146657031. The next prime is 505146657049. The reversal of 505146657047 is 740756641505.

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

It is not a de Polignac number, because 505146657047 - 2⁴ = 505146657031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505146656986 and 505146657004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505146657049) 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, 16637654 + ... + 16667987.

It is an arithmetic number, because the mean of its divisors is an integer number (65445586530).

Almost surely, 2^505146657047 is an apocalyptic number.

505146657047 is a deficient number, since it is larger than the sum of its proper divisors (18418035193).

505146657047 is a wasteful number, since it uses less digits than its factorization.

505146657047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33306193.

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 505146657047 in words is "five hundred five billion, one hundred forty-six million, six hundred fifty-seven thousand, forty-seven".