50468544639 has 64 divisors (see below), whose sum is σ = 78100070400. Its totient is φ = 32173977600.

The previous prime is 50468544619. The next prime is 50468544697. The reversal of 50468544639 is 93644586405.

50468544639 is a `hidden beast` number, since 5 + 0 + 4 + 68 + 544 + 6 + 39 = 666.

It is not a de Polignac number, because 50468544639 - 2⁸ = 50468544383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50468544619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58479922 + ... + 58480784.

It is an arithmetic number, because the mean of its divisors is an integer number (1220313600).

Almost surely, 2^50468544639 is an apocalyptic number.

50468544639 is a deficient number, since it is larger than the sum of its proper divisors (27631525761).

50468544639 is a wasteful number, since it uses less digits than its factorization.

50468544639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 50468544639 in words is "fifty billion, four hundred sixty-eight million, five hundred forty-four thousand, six hundred thirty-nine".