49875732385 has 8 divisors (see below), whose sum is σ = 60000135336. Its totient is φ = 39801081600.

The previous prime is 49875732367. The next prime is 49875732397. The reversal of 49875732385 is 58323757894.

It can be written as a sum of positive squares in 4 ways, for example, as 34201693969 + 15674038416 = 184937^2 + 125196^2 .

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

It is not a de Polignac number, because 49875732385 - 2¹⁷ = 49875601313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12435834 + ... + 12439843.

It is an arithmetic number, because the mean of its divisors is an integer number (7500016917).

Almost surely, 2^49875732385 is an apocalyptic number.

It is an amenable number.

49875732385 is a deficient number, since it is larger than the sum of its proper divisors (10124402951).

49875732385 is a wasteful number, since it uses less digits than its factorization.

49875732385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24876083.

The product of its digits is 50803200, while the sum is 61.

The spelling of 49875732385 in words is "forty-nine billion, eight hundred seventy-five million, seven hundred thirty-two thousand, three hundred eighty-five".