50338063661 has 4 divisors (see below), whose sum is σ = 51089378112. Its totient is φ = 49586749212.

The previous prime is 50338063631. The next prime is 50338063697. The reversal of 50338063661 is 16636083305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50338063661 - 2¹⁸ = 50337801517 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 (50338063631) 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 3 ways as a sum of consecutive naturals, for example, 375657125 + ... + 375657258.

It is an arithmetic number, because the mean of its divisors is an integer number (12772344528).

Almost surely, 2^50338063661 is an apocalyptic number.

It is an amenable number.

50338063661 is a deficient number, since it is larger than the sum of its proper divisors (751314451).

50338063661 is an equidigital number, since it uses as much as digits as its factorization.

50338063661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751314450.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 50338063661 in words is "fifty billion, three hundred thirty-eight million, sixty-three thousand, six hundred sixty-one".