50138870489 has 8 divisors (see below), whose sum is σ = 51859164672. Its totient is φ = 48425008320.

The previous prime is 50138870479. The next prime is 50138870503. The reversal of 50138870489 is 98407883105.

50138870489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 50138870489 - 2²⁰ = 50137821913 is a prime.

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 50138870489.

It is not an unprimeable number, because it can be changed into a prime (50138870479) 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, 1592144 + ... + 1623329.

It is an arithmetic number, because the mean of its divisors is an integer number (6482395584).

Almost surely, 2^50138870489 is an apocalyptic number.

It is an amenable number.

50138870489 is a deficient number, since it is larger than the sum of its proper divisors (1720294183).

50138870489 is a wasteful number, since it uses less digits than its factorization.

50138870489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216007.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 50138870489 in words is "fifty billion, one hundred thirty-eight million, eight hundred seventy thousand, four hundred eighty-nine".