49789071796689 has 48 divisors (see below), whose sum is σ = 78005741598720. Its totient is φ = 30486113441280.

The previous prime is 49789071796661. The next prime is 49789071796729. The reversal of 49789071796689 is 98669717098794.

It is not a de Polignac number, because 49789071796689 - 2¹¹ = 49789071794641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49789071796599 and 49789071796608.

It is not an unprimeable number, because it can be changed into a prime (49789071792689) 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, 19817599 + ... + 22188180.

It is an arithmetic number, because the mean of its divisors is an integer number (1625119616640).

Almost surely, 2^{49789071796689} is an apocalyptic number.

It is an amenable number.

49789071796689 is a deficient number, since it is larger than the sum of its proper divisors (28216669802031).

49789071796689 is a wasteful number, since it uses less digits than its factorization.

49789071796689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42005990 (or 42005987 counting only the distinct ones).

The product of its (nonzero) digits is 20739898368, while the sum is 90.

The spelling of 49789071796689 in words is "forty-nine trillion, seven hundred eighty-nine billion, seventy-one million, seven hundred ninety-six thousand, six hundred eighty-nine".