50959709249 has 2 divisors, whose sum is σ = 50959709250. Its totient is φ = 50959709248.

The previous prime is 50959709159. The next prime is 50959709261. The reversal of 50959709249 is 94290795905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45386041600 + 5573667649 = 213040^2 + 74657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50959709249 is a prime.

It is a super-2 number, since 2×50959709249² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50959709279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25479854624 + 25479854625.

It is an arithmetic number, because the mean of its divisors is an integer number (25479854625).

Almost surely, 2^50959709249 is an apocalyptic number.

It is an amenable number.

50959709249 is a deficient number, since it is larger than the sum of its proper divisors (1).

50959709249 is an equidigital number, since it uses as much as digits as its factorization.

50959709249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9185400, while the sum is 59.

The spelling of 50959709249 in words is "fifty billion, nine hundred fifty-nine million, seven hundred nine thousand, two hundred forty-nine".