13485909489 has 12 divisors (see below), whose sum is σ = 19470781296. Its totient is φ = 8299020912.

The previous prime is 13485909467. The next prime is 13485909491. The reversal of 13485909489 is 98490958431.

It is not a de Polignac number, because 13485909489 - 2⁵ = 13485909457 is a prime.

It is a super-3 number, since 3×13485909489³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13485909439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13299207 + ... + 13300220.

It is an arithmetic number, because the mean of its divisors is an integer number (1622565108).

Almost surely, 2^13485909489 is an apocalyptic number.

It is an amenable number.

13485909489 is a deficient number, since it is larger than the sum of its proper divisors (5984871807).

13485909489 is a wasteful number, since it uses less digits than its factorization.

13485909489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26599456 (or 26599443 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 13485909489 in words is "thirteen billion, four hundred eighty-five million, nine hundred nine thousand, four hundred eighty-nine".