49897838259 has 12 divisors (see below), whose sum is σ = 72748251576. Its totient is φ = 32954334912.

The previous prime is 49897838233. The next prime is 49897838273. The reversal of 49897838259 is 95283879894.

49897838259 is a `hidden beast` number, since 498 + 9 + 7 + 8 + 3 + 82 + 59 = 666.

It is not a de Polignac number, because 49897838259 - 2⁹ = 49897837747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49897838279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25906534 + ... + 25908459.

It is an arithmetic number, because the mean of its divisors is an integer number (6062354298).

Almost surely, 2^49897838259 is an apocalyptic number.

49897838259 is a deficient number, since it is larger than the sum of its proper divisors (22850413317).

49897838259 is a wasteful number, since it uses less digits than its factorization.

49897838259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51815106 (or 51815103 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 72.

The spelling of 49897838259 in words is "forty-nine billion, eight hundred ninety-seven million, eight hundred thirty-eight thousand, two hundred fifty-nine".