49897736259 has 8 divisors (see below), whose sum is σ = 76034645760. Its totient is φ = 28512992136.

The previous prime is 49897736249. The next prime is 49897736299. The reversal of 49897736259 is 95263779894.

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

It is not a de Polignac number, because 49897736259 - 2¹⁷ = 49897605187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49897736193 and 49897736202.

It is not an unprimeable number, because it can be changed into a prime (49897736219) 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, 1188041319 + ... + 1188041360.

It is an arithmetic number, because the mean of its divisors is an integer number (9504330720).

Almost surely, 2^49897736259 is an apocalyptic number.

49897736259 is a deficient number, since it is larger than the sum of its proper divisors (26136909501).

49897736259 is a wasteful number, since it uses less digits than its factorization.

49897736259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376082689.

The product of its digits is 205752960, while the sum is 69.

The spelling of 49897736259 in words is "forty-nine billion, eight hundred ninety-seven million, seven hundred thirty-six thousand, two hundred fifty-nine".