50173664643 has 48 divisors (see below), whose sum is σ = 76127351040. Its totient is φ = 31799275200.

The previous prime is 50173664609. The next prime is 50173664647. The reversal of 50173664643 is 34646637105.

50173664643 is a `hidden beast` number, since 501 + 7 + 3 + 66 + 46 + 43 = 666.

It is not a de Polignac number, because 50173664643 - 2¹² = 50173660547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50173664647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20809108 + ... + 20811518.

It is an arithmetic number, because the mean of its divisors is an integer number (1585986480).

Almost surely, 2^50173664643 is an apocalyptic number.

50173664643 is a deficient number, since it is larger than the sum of its proper divisors (25953686397).

50173664643 is a wasteful number, since it uses less digits than its factorization.

50173664643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640 (or 3637 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 50173664643 in words is "fifty billion, one hundred seventy-three million, six hundred sixty-four thousand, six hundred forty-three".