505301383057 has 4 divisors (see below), whose sum is σ = 517625807076. Its totient is φ = 492976959040.

The previous prime is 505301383043. The next prime is 505301383121. The reversal of 505301383057 is 750383103505.

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

It can be written as a sum of positive squares in 2 ways, for example, as 161032861521 + 344268521536 = 401289^2 + 586744^2 .

It is a cyclic number.

It is not a de Polignac number, because 505301383057 - 2¹⁵ = 505301350289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505301380057) 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, 6162211948 + ... + 6162212029.

It is an arithmetic number, because the mean of its divisors is an integer number (129406451769).

Almost surely, 2^505301383057 is an apocalyptic number.

It is an amenable number.

505301383057 is a deficient number, since it is larger than the sum of its proper divisors (12324424019).

505301383057 is a wasteful number, since it uses less digits than its factorization.

505301383057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12324424018.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 505301383057 in words is "five hundred five billion, three hundred one million, three hundred eighty-three thousand, fifty-seven".