50666604465 has 8 divisors (see below), whose sum is σ = 81066567168. Its totient is φ = 27022189040.

The previous prime is 50666604379. The next prime is 50666604491. The reversal of 50666604465 is 56440666605.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-50666604465 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1688886801 + ... + 1688886830.

It is an arithmetic number, because the mean of its divisors is an integer number (10133320896).

Almost surely, 2^50666604465 is an apocalyptic number.

It is an amenable number.

50666604465 is a deficient number, since it is larger than the sum of its proper divisors (30399962703).

50666604465 is a wasteful number, since it uses less digits than its factorization.

50666604465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377773639.

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 50666604465 in words is "fifty billion, six hundred sixty-six million, six hundred four thousand, four hundred sixty-five".