50010500009 has 2 divisors, whose sum is σ = 50010500010. Its totient is φ = 50010500008.

The previous prime is 50010500003. The next prime is 50010500081. The reversal of 50010500009 is 90000501005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46362702400 + 3647797609 = 215320^2 + 60397^2 .

It is a cyclic number.

It is not a de Polignac number, because 50010500009 - 2⁴ = 50010499993 is a prime.

It is a super-2 number, since 2×50010500009² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50010500003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25005250004 + 25005250005.

It is an arithmetic number, because the mean of its divisors is an integer number (25005250005).

Almost surely, 2^50010500009 is an apocalyptic number.

It is an amenable number.

50010500009 is a deficient number, since it is larger than the sum of its proper divisors (1).

50010500009 is an equidigital number, since it uses as much as digits as its factorization.

50010500009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 20.

The spelling of 50010500009 in words is "fifty billion, ten million, five hundred thousand, nine".