505545046493 has 8 divisors (see below), whose sum is σ = 513954779640. Its totient is φ = 497139252480.

The previous prime is 505545046481. The next prime is 505545046507. The reversal of 505545046493 is 394640545505.

It can be written as a sum of positive squares in 4 ways, for example, as 34314969049 + 471230077444 = 185243^2 + 686462^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 505545046493 - 2⁴ = 505545046477 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 (505545045493) 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, 725408 + ... + 1239881.

It is an arithmetic number, because the mean of its divisors is an integer number (64244347455).

Almost surely, 2^505545046493 is an apocalyptic number.

It is an amenable number.

505545046493 is a deficient number, since it is larger than the sum of its proper divisors (8409733147).

505545046493 is a wasteful number, since it uses less digits than its factorization.

505545046493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969567.

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 505545046493 in words is "five hundred five billion, five hundred forty-five million, forty-six thousand, four hundred ninety-three".