505350250053431 has 16 divisors (see below), whose sum is σ = 505907350540800. Its totient is φ = 504793516395168.

The previous prime is 505350250053427. The next prime is 505350250053503. The reversal of 505350250053431 is 134350052053505.

It is a cyclic number.

It is not a de Polignac number, because 505350250053431 - 2² = 505350250053427 is a prime.

It is a super-2 number, since 2×505350250053431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505350250053931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46197110360 + ... + 46197121298.

It is an arithmetic number, because the mean of its divisors is an integer number (31619209408800).

Almost surely, 2^{505350250053431} is an apocalyptic number.

505350250053431 is a deficient number, since it is larger than the sum of its proper divisors (557100487369).

505350250053431 is a wasteful number, since it uses less digits than its factorization.

505350250053431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23438.

The product of its (nonzero) digits is 675000, while the sum is 41.

The spelling of 505350250053431 in words is "five hundred five trillion, three hundred fifty billion, two hundred fifty million, fifty-three thousand, four hundred thirty-one".