49172759999 has 8 divisors (see below), whose sum is σ = 53655192192. Its totient is φ = 44692358040.

The previous prime is 49172759989. The next prime is 49172760053. The reversal of 49172759999 is 99995727194.

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

It is a de Polignac number, because none of the positive numbers 2^k-49172759999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49172759939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456689 + ... + 553994.

It is an arithmetic number, because the mean of its divisors is an integer number (6706899024).

Almost surely, 2^49172759999 is an apocalyptic number.

49172759999 is a deficient number, since it is larger than the sum of its proper divisors (4482432193).

49172759999 is a wasteful number, since it uses less digits than its factorization.

49172759999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015117.

The product of its digits is 115736040, while the sum is 71.

The spelling of 49172759999 in words is "forty-nine billion, one hundred seventy-two million, seven hundred fifty-nine thousand, nine hundred ninety-nine".