49811311923 has 8 divisors (see below), whose sum is σ = 66522379200. Its totient is φ = 33153892968.

The previous prime is 49811311889. The next prime is 49811311931. The reversal of 49811311923 is 32911311894.

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

It is not a de Polignac number, because 49811311923 - 2²¹ = 49809214771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49811311933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13409913 + ... + 13413626.

It is an arithmetic number, because the mean of its divisors is an integer number (8315297400).

Almost surely, 2^49811311923 is an apocalyptic number.

49811311923 is a deficient number, since it is larger than the sum of its proper divisors (16711067277).

49811311923 is a wasteful number, since it uses less digits than its factorization.

49811311923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26824161.

The product of its digits is 46656, while the sum is 42.

The spelling of 49811311923 in words is "forty-nine billion, eight hundred eleven million, three hundred eleven thousand, nine hundred twenty-three".