13418491372609 has 4 divisors (see below), whose sum is σ = 13418605959616. Its totient is φ = 13418376785604.

The previous prime is 13418491372603. The next prime is 13418491372619. The reversal of 13418491372609 is 90627319481431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13418491372609 - 2²⁵ = 13418457818177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13418491372603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57117669 + ... + 57352114.

It is an arithmetic number, because the mean of its divisors is an integer number (3354651489904).

Almost surely, 2^{13418491372609} is an apocalyptic number.

It is an amenable number.

13418491372609 is a deficient number, since it is larger than the sum of its proper divisors (114587007).

13418491372609 is a wasteful number, since it uses less digits than its factorization.

13418491372609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114587006.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 13418491372609 in words is "thirteen trillion, four hundred eighteen billion, four hundred ninety-one million, three hundred seventy-two thousand, six hundred nine".