50501199449 has 2 divisors, whose sum is σ = 50501199450. Its totient is φ = 50501199448.

The previous prime is 50501199439. The next prime is 50501199479. The reversal of 50501199449 is 94499110505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42996096025 + 7505103424 = 207355^2 + 86632^2 .

It is a cyclic number.

It is not a de Polignac number, because 50501199449 - 2⁴ = 50501199433 is a prime.

It is a super-2 number, since 2×50501199449² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50501199439) 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 as a sum of consecutive naturals, namely, 25250599724 + 25250599725.

It is an arithmetic number, because the mean of its divisors is an integer number (25250599725).

Almost surely, 2^50501199449 is an apocalyptic number.

It is an amenable number.

50501199449 is a deficient number, since it is larger than the sum of its proper divisors (1).

50501199449 is an equidigital number, since it uses as much as digits as its factorization.

50501199449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 47.

The spelling of 50501199449 in words is "fifty billion, five hundred one million, one hundred ninety-nine thousand, four hundred forty-nine".