10725010909 has 2 divisors, whose sum is σ = 10725010910. Its totient is φ = 10725010908.

The previous prime is 10725010897. The next prime is 10725010979. The reversal of 10725010909 is 90901052701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10500100900 + 224910009 = 102470^2 + 14997^2 .

It is a cyclic number.

It is not a de Polignac number, because 10725010909 - 2⁷ = 10725010781 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10725010979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5362505454 + 5362505455.

It is an arithmetic number, because the mean of its divisors is an integer number (5362505455).

Almost surely, 2^10725010909 is an apocalyptic number.

It is an amenable number.

10725010909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10725010909 is an equidigital number, since it uses as much as digits as its factorization.

10725010909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 34.

The spelling of 10725010909 in words is "ten billion, seven hundred twenty-five million, ten thousand, nine hundred nine".