49988273329 has 2 divisors, whose sum is σ = 49988273330. Its totient is φ = 49988273328.

The previous prime is 49988273311. The next prime is 49988273353. The reversal of 49988273329 is 92337288994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48168397729 + 1819875600 = 219473^2 + 42660^2 .

It is a cyclic number.

It is not a de Polignac number, because 49988273329 - 2⁵ = 49988273297 is a prime.

It is not a weakly prime, because it can be changed into another prime (49988273369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24994136664 + 24994136665.

It is an arithmetic number, because the mean of its divisors is an integer number (24994136665).

Almost surely, 2^49988273329 is an apocalyptic number.

It is an amenable number.

49988273329 is a deficient number, since it is larger than the sum of its proper divisors (1).

49988273329 is an equidigital number, since it uses as much as digits as its factorization.

49988273329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47029248, while the sum is 64.

The spelling of 49988273329 in words is "forty-nine billion, nine hundred eighty-eight million, two hundred seventy-three thousand, three hundred twenty-nine".