49159427399 has 4 divisors (see below), whose sum is σ = 49893150264. Its totient is φ = 48425704536.

The previous prime is 49159427393. The next prime is 49159427419. The reversal of 49159427399 is 99372495194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49159427399 - 2¹² = 49159423303 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 (49159427393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366861332 + ... + 366861465.

It is an arithmetic number, because the mean of its divisors is an integer number (12473287566).

Almost surely, 2^49159427399 is an apocalyptic number.

49159427399 is a deficient number, since it is larger than the sum of its proper divisors (733722865).

49159427399 is an equidigital number, since it uses as much as digits as its factorization.

49159427399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733722864.

The product of its digits is 22044960, while the sum is 62.

The spelling of 49159427399 in words is "forty-nine billion, one hundred fifty-nine million, four hundred twenty-seven thousand, three hundred ninety-nine".