13517826989 has 8 divisors (see below), whose sum is σ = 13630737120. Its totient is φ = 13405064400.

The previous prime is 13517826911. The next prime is 13517826997. The reversal of 13517826989 is 98962871531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13517826989 is a prime.

It is a super-2 number, since 2×13517826989² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13517825989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151094 + ... + 223304.

It is an arithmetic number, because the mean of its divisors is an integer number (1703842140).

Almost surely, 2^13517826989 is an apocalyptic number.

It is an amenable number.

13517826989 is a deficient number, since it is larger than the sum of its proper divisors (112910131).

13517826989 is a wasteful number, since it uses less digits than its factorization.

13517826989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73771.

The product of its digits is 6531840, while the sum is 59.

The spelling of 13517826989 in words is "thirteen billion, five hundred seventeen million, eight hundred twenty-six thousand, nine hundred eighty-nine".