50643351213 has 32 divisors (see below), whose sum is σ = 83454873600. Its totient is φ = 26601172416.

The previous prime is 50643351151. The next prime is 50643351223. The reversal of 50643351213 is 31215334605.

It is not a de Polignac number, because 50643351213 - 2⁶ = 50643351149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50643351223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322843 + ... + 453336.

It is an arithmetic number, because the mean of its divisors is an integer number (2607964800).

Almost surely, 2^50643351213 is an apocalyptic number.

It is an amenable number.

50643351213 is a deficient number, since it is larger than the sum of its proper divisors (32811522387).

50643351213 is a wasteful number, since it uses less digits than its factorization.

50643351213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776441.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 50643351213 its reverse (31215334605), we get a palindrome (81858685818).

It can be divided in two parts, 50643 and 351213, that added together give a triangular number (401856 = T₈₉₆).

The spelling of 50643351213 in words is "fifty billion, six hundred forty-three million, three hundred fifty-one thousand, two hundred thirteen".