505434126313 has 8 divisors (see below), whose sum is σ = 514066075200. Its totient is φ = 496804353168.

The previous prime is 505434126311. The next prime is 505434126319. The reversal of 505434126313 is 313621434505.

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 505434126313 - 2¹ = 505434126311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505434126311) 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, 71893 + ... + 1007986.

It is an arithmetic number, because the mean of its divisors is an integer number (64258259400).

Almost surely, 2^505434126313 is an apocalyptic number.

It is an amenable number.

505434126313 is a deficient number, since it is larger than the sum of its proper divisors (8631948887).

505434126313 is a wasteful number, since it uses less digits than its factorization.

505434126313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087871.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 505434126313 in words is "five hundred five billion, four hundred thirty-four million, one hundred twenty-six thousand, three hundred thirteen".