49531858739 has 4 divisors (see below), whose sum is σ = 54034755000. Its totient is φ = 45028962480.

The previous prime is 49531858721. The next prime is 49531858759. The reversal of 49531858739 is 93785813594.

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

It is a cyclic number.

It is not a de Polignac number, because 49531858739 - 2⁸ = 49531858483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49531858759) 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 3 ways as a sum of consecutive naturals, for example, 2251448114 + ... + 2251448135.

It is an arithmetic number, because the mean of its divisors is an integer number (13508688750).

Almost surely, 2^49531858739 is an apocalyptic number.

49531858739 is a deficient number, since it is larger than the sum of its proper divisors (4502896261).

49531858739 is a wasteful number, since it uses less digits than its factorization.

49531858739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502896260.

The product of its digits is 32659200, while the sum is 62.

The spelling of 49531858739 in words is "forty-nine billion, five hundred thirty-one million, eight hundred fifty-eight thousand, seven hundred thirty-nine".