50142383819 has 8 divisors (see below), whose sum is σ = 55315398960. Its totient is φ = 45071804800.

The previous prime is 50142383783. The next prime is 50142383833. The reversal of 50142383819 is 91838324105.

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

It is a de Polignac number, because none of the positive numbers 2^k-50142383819 is a prime.

It is a super-2 number, since 2×50142383819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50142383819.

It is not an unprimeable number, because it can be changed into a prime (50142380819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25608002 + ... + 25609959.

It is an arithmetic number, because the mean of its divisors is an integer number (6914424870).

Almost surely, 2^50142383819 is an apocalyptic number.

50142383819 is a deficient number, since it is larger than the sum of its proper divisors (5173015141).

50142383819 is a wasteful number, since it uses less digits than its factorization.

50142383819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51218061.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 50142383819 in words is "fifty billion, one hundred forty-two million, three hundred eighty-three thousand, eight hundred nineteen".