49995338399 has 4 divisors (see below), whose sum is σ = 50437775136. Its totient is φ = 49552901664.

The previous prime is 49995338383. The next prime is 49995338447. The reversal of 49995338399 is 99383359994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99383359994 = 2 ⋅49691679997.

It is a cyclic number.

It is not a de Polignac number, because 49995338399 - 2⁴ = 49995338383 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 (49995338329) 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, 221218199 + ... + 221218424.

It is an arithmetic number, because the mean of its divisors is an integer number (12609443784).

Almost surely, 2^49995338399 is an apocalyptic number.

49995338399 is a deficient number, since it is larger than the sum of its proper divisors (442436737).

49995338399 is a wasteful number, since it uses less digits than its factorization.

49995338399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442436736.

The product of its digits is 255091680, while the sum is 71.

The spelling of 49995338399 in words is "forty-nine billion, nine hundred ninety-five million, three hundred thirty-eight thousand, three hundred ninety-nine".