50317391269 has 4 divisors (see below), whose sum is σ = 52965675040. Its totient is φ = 47669107500.

The previous prime is 50317391153. The next prime is 50317391291. The reversal of 50317391269 is 96219371305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96219371305 = 5 ⋅19243874261.

It is a cyclic number.

It is not a de Polignac number, because 50317391269 - 2⁹ = 50317390757 is a prime.

It is a super-2 number, since 2×50317391269² (a number of 22 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 (50317392269) 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, 1324141857 + ... + 1324141894.

It is an arithmetic number, because the mean of its divisors is an integer number (13241418760).

Almost surely, 2^50317391269 is an apocalyptic number.

It is an amenable number.

50317391269 is a deficient number, since it is larger than the sum of its proper divisors (2648283771).

50317391269 is a wasteful number, since it uses less digits than its factorization.

50317391269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648283770.

The product of its (nonzero) digits is 306180, while the sum is 46.

The spelling of 50317391269 in words is "fifty billion, three hundred seventeen million, three hundred ninety-one thousand, two hundred sixty-nine".