49338433691 has 4 divisors (see below), whose sum is σ = 49775057112. Its totient is φ = 48901810272.

The previous prime is 49338433667. The next prime is 49338433709. The reversal of 49338433691 is 19633483394.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49338433691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49338438691) 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 3 ways as a sum of consecutive naturals, for example, 218311541 + ... + 218311766.

It is an arithmetic number, because the mean of its divisors is an integer number (12443764278).

Almost surely, 2^49338433691 is an apocalyptic number.

49338433691 is a deficient number, since it is larger than the sum of its proper divisors (436623421).

49338433691 is a wasteful number, since it uses less digits than its factorization.

49338433691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436623420.

The product of its digits is 5038848, while the sum is 53.

The spelling of 49338433691 in words is "forty-nine billion, three hundred thirty-eight million, four hundred thirty-three thousand, six hundred ninety-one".