49812789885 has 32 divisors (see below), whose sum is σ = 80998686720. Its totient is φ = 26136763968.

The previous prime is 49812789869. The next prime is 49812789889. The reversal of 49812789885 is 58898721894.

It is not a de Polignac number, because 49812789885 - 2⁴ = 49812789869 is a prime.

It is a super-2 number, since 2×49812789885² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49812789889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213852 + ... + 381258.

It is an arithmetic number, because the mean of its divisors is an integer number (2531208960).

Almost surely, 2^49812789885 is an apocalyptic number.

It is an amenable number.

49812789885 is a deficient number, since it is larger than the sum of its proper divisors (31185896835).

49812789885 is a wasteful number, since it uses less digits than its factorization.

49812789885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167737.

The product of its digits is 92897280, while the sum is 69.

The spelling of 49812789885 in words is "forty-nine billion, eight hundred twelve million, seven hundred eighty-nine thousand, eight hundred eighty-five".