49175638689 has 16 divisors (see below), whose sum is σ = 65896034624. Its totient is φ = 32619585600.

The previous prime is 49175638679. The next prime is 49175638697. The reversal of 49175638689 is 98683657194.

It is not a de Polignac number, because 49175638689 - 2¹⁷ = 49175507617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49175638609) 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 15 ways as a sum of consecutive naturals, for example, 3038559 + ... + 3054699.

It is an arithmetic number, because the mean of its divisors is an integer number (4118502164).

Almost surely, 2^49175638689 is an apocalyptic number.

It is an amenable number.

49175638689 is a deficient number, since it is larger than the sum of its proper divisors (16720395935).

49175638689 is a wasteful number, since it uses less digits than its factorization.

49175638689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21168.

The product of its digits is 78382080, while the sum is 66.

The spelling of 49175638689 in words is "forty-nine billion, one hundred seventy-five million, six hundred thirty-eight thousand, six hundred eighty-nine".