50506625009 has 2 divisors, whose sum is σ = 50506625010. Its totient is φ = 50506625008.

The previous prime is 50506624967. The next prime is 50506625027. The reversal of 50506625009 is 90052660505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40211478784 + 10295146225 = 200528^2 + 101465^2 .

It is a cyclic number.

It is not a de Polignac number, because 50506625009 - 2¹⁶ = 50506559473 is a prime.

It is not a weakly prime, because it can be changed into another prime (50506625909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25253312504 + 25253312505.

It is an arithmetic number, because the mean of its divisors is an integer number (25253312505).

Almost surely, 2^50506625009 is an apocalyptic number.

It is an amenable number.

50506625009 is a deficient number, since it is larger than the sum of its proper divisors (1).

50506625009 is an equidigital number, since it uses as much as digits as its factorization.

50506625009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 50506625009 in words is "fifty billion, five hundred six million, six hundred twenty-five thousand, nine".