50643006446 has 4 divisors (see below), whose sum is σ = 75964509672. Its totient is φ = 25321503222.

The previous prime is 50643006437. The next prime is 50643006473. The reversal of 50643006446 is 64460034605.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12660751610 + ... + 12660751613.

It is an arithmetic number, because the mean of its divisors is an integer number (18991127418).

Almost surely, 2^50643006446 is an apocalyptic number.

50643006446 is a deficient number, since it is larger than the sum of its proper divisors (25321503226).

50643006446 is a wasteful number, since it uses less digits than its factorization.

50643006446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25321503225.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 50643006446 in words is "fifty billion, six hundred forty-three million, six thousand, four hundred forty-six".