10531384900609 has 2 divisors, whose sum is σ = 10531384900610. Its totient is φ = 10531384900608.

The previous prime is 10531384900579. The next prime is 10531384900651. The reversal of 10531384900609 is 90600948313501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9733757290609 + 797627610000 = 3119897^2 + 893100^2 .

It is a cyclic number.

It is not a de Polignac number, because 10531384900609 - 2⁷ = 10531384900481 is a prime.

It is a super-2 number, since 2×10531384900609² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10531384900009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5265692450304 + 5265692450305.

It is an arithmetic number, because the mean of its divisors is an integer number (5265692450305).

Almost surely, 2^{10531384900609} is an apocalyptic number.

It is an amenable number.

10531384900609 is a deficient number, since it is larger than the sum of its proper divisors (1).

10531384900609 is an equidigital number, since it uses as much as digits as its factorization.

10531384900609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 10531384900609 in words is "ten trillion, five hundred thirty-one billion, three hundred eighty-four million, nine hundred thousand, six hundred nine".