50990011229 has 2 divisors, whose sum is σ = 50990011230. Its totient is φ = 50990011228.

The previous prime is 50990011223. The next prime is 50990011291. The reversal of 50990011229 is 92211009905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37376488900 + 13613522329 = 193330^2 + 116677^2 .

It is a cyclic number.

It is not a de Polignac number, because 50990011229 - 2⁴ = 50990011213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50990011192 and 50990011201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50990011223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25495005614 + 25495005615.

It is an arithmetic number, because the mean of its divisors is an integer number (25495005615).

Almost surely, 2^50990011229 is an apocalyptic number.

It is an amenable number.

50990011229 is a deficient number, since it is larger than the sum of its proper divisors (1).

50990011229 is an equidigital number, since it uses as much as digits as its factorization.

50990011229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 38.

The spelling of 50990011229 in words is "fifty billion, nine hundred ninety million, eleven thousand, two hundred twenty-nine".