13061887009 has 2 divisors, whose sum is σ = 13061887010. Its totient is φ = 13061887008.

The previous prime is 13061886953. The next prime is 13061887021. The reversal of 13061887009 is 90078816031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8585875600 + 4476011409 = 92660^2 + 66903^2 .

It is a cyclic number.

It is not a de Polignac number, because 13061887009 - 2¹¹ = 13061884961 is a prime.

It is a super-2 number, since 2×13061887009² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13061887109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6530943504 + 6530943505.

It is an arithmetic number, because the mean of its divisors is an integer number (6530943505).

Almost surely, 2^13061887009 is an apocalyptic number.

It is an amenable number.

13061887009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13061887009 is an equidigital number, since it uses as much as digits as its factorization.

13061887009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 13061887009 in words is "thirteen billion, sixty-one million, eight hundred eighty-seven thousand, nine".