49775721599 has 8 divisors (see below), whose sum is σ = 52904192640. Its totient is φ = 46698120216.

The previous prime is 49775721577. The next prime is 49775721617. The reversal of 49775721599 is 99512757794.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49775721599 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 (49775721559) 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, 12715397 + ... + 12719310.

It is an arithmetic number, because the mean of its divisors is an integer number (6613024080).

Almost surely, 2^49775721599 is an apocalyptic number.

49775721599 is a deficient number, since it is larger than the sum of its proper divisors (3128471041).

49775721599 is a wasteful number, since it uses less digits than its factorization.

49775721599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25434829.

The product of its digits is 50009400, while the sum is 65.

The spelling of 49775721599 in words is "forty-nine billion, seven hundred seventy-five million, seven hundred twenty-one thousand, five hundred ninety-nine".