13609869312 has 224 divisors, whose sum is σ = 40074128640. Its totient is φ = 4081582080.

The previous prime is 13609869269. The next prime is 13609869319. The reversal of 13609869312 is 21396890631.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (13609869319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13098489 + ... + 13099527.

It is an arithmetic number, because the mean of its divisors is an integer number (178902360).

Almost surely, 2^13609869312 is an apocalyptic number.

13609869312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13609869312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20037064320).

13609869312 is an abundant number, since it is smaller than the sum of its proper divisors (26464259328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13609869312 is a wasteful number, since it uses less digits than its factorization.

13609869312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122 (or 1098 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 13609869312 in words is "thirteen billion, six hundred nine million, eight hundred sixty-nine thousand, three hundred twelve".