240100000009 has 2 divisors, whose sum is σ = 240100000010. Its totient is φ = 240100000008.

The previous prime is 240099999989. The next prime is 240100000013. The reversal of 240100000009 is 900000001042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240100000000 + 9 = 490000^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 240100000009 - 2¹¹ = 240099997961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240099999938 and 240100000001.

It is not a weakly prime, because it can be changed into another prime (240100000039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120050000004 + 120050000005.

It is an arithmetic number, because the mean of its divisors is an integer number (120050000005).

Almost surely, 2^240100000009 is an apocalyptic number.

It is an amenable number.

240100000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

240100000009 is an equidigital number, since it uses as much as digits as its factorization.

240100000009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The spelling of 240100000009 in words is "two hundred forty billion, one hundred million, nine", and thus it is an aban number.