49072127999 has 4 divisors (see below), whose sum is σ = 49079308080. Its totient is φ = 49064947920.

The previous prime is 49072127969. The next prime is 49072128013. The reversal of 49072127999 is 99972127094.

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-49072127999 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 (49072127969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3579779 + ... + 3593460.

It is an arithmetic number, because the mean of its divisors is an integer number (12269827020).

Almost surely, 2^49072127999 is an apocalyptic number.

49072127999 is a deficient number, since it is larger than the sum of its proper divisors (7180081).

49072127999 is an equidigital number, since it uses as much as digits as its factorization.

49072127999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7180080.

The product of its (nonzero) digits is 5143824, while the sum is 59.

The spelling of 49072127999 in words is "forty-nine billion, seventy-two million, one hundred twenty-seven thousand, nine hundred ninety-nine".