13100605009 has 2 divisors, whose sum is σ = 13100605010. Its totient is φ = 13100605008.

The previous prime is 13100604989. The next prime is 13100605081. The reversal of 13100605009 is 90050600131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12237890625 + 862714384 = 110625^2 + 29372^2 .

It is a cyclic number.

It is not a de Polignac number, because 13100605009 - 2¹⁵ = 13100572241 is a prime.

It is not a weakly prime, because it can be changed into another prime (13100605099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6550302504 + 6550302505.

It is an arithmetic number, because the mean of its divisors is an integer number (6550302505).

Almost surely, 2^13100605009 is an apocalyptic number.

It is an amenable number.

13100605009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13100605009 is an equidigital number, since it uses as much as digits as its factorization.

13100605009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The spelling of 13100605009 in words is "thirteen billion, one hundred million, six hundred five thousand, nine".