50835778642639 has 8 divisors (see below), whose sum is σ = 53519181974000. Its totient is φ = 48153158914752.

The previous prime is 50835778642553. The next prime is 50835778642687. The reversal of 50835778642639 is 93624687753805.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50835778642639 - 2⁷ = 50835778642511 is a prime.

It is a super-3 number, since 3×50835778642639³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50835778612639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195767694 + ... + 196027195.

It is an arithmetic number, because the mean of its divisors is an integer number (6689897746750).

Almost surely, 2^{50835778642639} is an apocalyptic number.

50835778642639 is a deficient number, since it is larger than the sum of its proper divisors (2683403331361).

50835778642639 is a wasteful number, since it uses less digits than its factorization.

50835778642639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391801737.

The product of its (nonzero) digits is 1828915200, while the sum is 73.

The spelling of 50835778642639 in words is "fifty trillion, eight hundred thirty-five billion, seven hundred seventy-eight million, six hundred forty-two thousand, six hundred thirty-nine".