50421694671 has 16 divisors (see below), whose sum is σ = 76520730720. Its totient is φ = 32794597440.

The previous prime is 50421694667. The next prime is 50421694691. The reversal of 50421694671 is 17649612405.

50421694671 is a `hidden beast` number, since 504 + 21 + 69 + 4 + 67 + 1 = 666.

It is not a de Polignac number, because 50421694671 - 2² = 50421694667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50421694691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22772920 + ... + 22775133.

It is an arithmetic number, because the mean of its divisors is an integer number (4782545670).

Almost surely, 2^50421694671 is an apocalyptic number.

50421694671 is a deficient number, since it is larger than the sum of its proper divisors (26099036049).

50421694671 is a wasteful number, since it uses less digits than its factorization.

50421694671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45548103 (or 45548097 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 50421694671 in words is "fifty billion, four hundred twenty-one million, six hundred ninety-four thousand, six hundred seventy-one".