50204689891 has 8 divisors (see below), whose sum is σ = 50403919104. Its totient is φ = 50005524360.

The previous prime is 50204689889. The next prime is 50204689897. The reversal of 50204689891 is 19898640205.

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 50204689891 - 2¹ = 50204689889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50204689897) 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, 2130946 + ... + 2154376.

It is an arithmetic number, because the mean of its divisors is an integer number (6300489888).

Almost surely, 2^50204689891 is an apocalyptic number.

50204689891 is a deficient number, since it is larger than the sum of its proper divisors (199229213).

50204689891 is a wasteful number, since it uses less digits than its factorization.

50204689891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31841.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 50204689891 in words is "fifty billion, two hundred four million, six hundred eighty-nine thousand, eight hundred ninety-one".