50436327789 has 12 divisors (see below), whose sum is σ = 72903473500. Its totient is φ = 33600680064.

The previous prime is 50436327761. The next prime is 50436327803. The reversal of 50436327789 is 98772363405.

50436327789 is a `hidden beast` number, since 5 + 0 + 4 + 363 + 277 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8465840100 + 41970487689 = 92010^2 + 204867^2 .

It is not a de Polignac number, because 50436327789 - 2⁵ = 50436327757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50436327709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1947964 + ... + 1973685.

Almost surely, 2^50436327789 is an apocalyptic number.

It is an amenable number.

50436327789 is a deficient number, since it is larger than the sum of its proper divisors (22467145711).

50436327789 is a wasteful number, since it uses less digits than its factorization.

50436327789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923084 (or 3923081 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

It can be divided in two parts, 50436 and 327789, that added together give a square (378225 = 615²).

The spelling of 50436327789 in words is "fifty billion, four hundred thirty-six million, three hundred twenty-seven thousand, seven hundred eighty-nine".