50662123389 has 12 divisors (see below), whose sum is σ = 73183337500. Its totient is φ = 33772572864.

The previous prime is 50662123381. The next prime is 50662123397. The reversal of 50662123389 is 98332126605.

50662123389 is a `hidden beast` number, since 50 + 6 + 6 + 212 + 3 + 389 = 666.

It is an interprime number because it is at equal distance from previous prime (50662123381) and next prime (50662123397).

It can be written as a sum of positive squares in 2 ways, for example, as 23546902500 + 27115220889 = 153450^2 + 164667^2 .

It is not a de Polignac number, because 50662123389 - 2³ = 50662123381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50662123381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26974 + ... + 319455.

Almost surely, 2^50662123389 is an apocalyptic number.

It is an amenable number.

50662123389 is a deficient number, since it is larger than the sum of its proper divisors (22521214111).

50662123389 is a wasteful number, since it uses less digits than its factorization.

50662123389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362684 (or 362681 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 50662123389 in words is "fifty billion, six hundred sixty-two million, one hundred twenty-three thousand, three hundred eighty-nine".