50006666441 has 4 divisors (see below), whose sum is σ = 50019436932. Its totient is φ = 49993895952.

The previous prime is 50006666407. The next prime is 50006666503. The reversal of 50006666441 is 14466660005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38453641216 + 11553025225 = 196096^2 + 107485^2 .

It is a cyclic number.

It is not a de Polignac number, because 50006666441 - 2¹⁸ = 50006404297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50006666395 and 50006666404.

It is not an unprimeable number, because it can be changed into a prime (50006662441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6379370 + ... + 6387203.

It is an arithmetic number, because the mean of its divisors is an integer number (12504859233).

Almost surely, 2^50006666441 is an apocalyptic number.

It is an amenable number.

50006666441 is a deficient number, since it is larger than the sum of its proper divisors (12770491).

50006666441 is a wasteful number, since it uses less digits than its factorization.

50006666441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12770490.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 50006666441 in words is "fifty billion, six million, six hundred sixty-six thousand, four hundred forty-one".