49018900887 has 24 divisors (see below), whose sum is σ = 77259990288. Its totient is φ = 29701468800.

The previous prime is 49018900871. The next prime is 49018900897. The reversal of 49018900887 is 78800981094.

It is not a de Polignac number, because 49018900887 - 2⁴ = 49018900871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49018900817) 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 23 ways as a sum of consecutive naturals, for example, 383913 + ... + 495405.

It is an arithmetic number, because the mean of its divisors is an integer number (3219166262).

Almost surely, 2^49018900887 is an apocalyptic number.

49018900887 is a deficient number, since it is larger than the sum of its proper divisors (28241089401).

49018900887 is a wasteful number, since it uses less digits than its factorization.

49018900887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115951 (or 115948 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The spelling of 49018900887 in words is "forty-nine billion, eighteen million, nine hundred thousand, eight hundred eighty-seven".