13209778989000 has 384 divisors, whose sum is σ = 49627097470080. Its totient is φ = 3141947328000.

The previous prime is 13209778988981. The next prime is 13209778989031. The reversal of 13209778989000 is 98987790231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3988207 + ... + 6505793.

It is an arithmetic number, because the mean of its divisors is an integer number (129237232995).

Almost surely, 2^{13209778989000} is an apocalyptic number.

13209778989000 is a gapful number since it is divisible by the number (10) 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 13209778989000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24813548735040).

13209778989000 is an abundant number, since it is smaller than the sum of its proper divisors (36417318481080).

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

13209778989000 is a wasteful number, since it uses less digits than its factorization.

13209778989000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2517678 (or 2517661 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 63.

The spelling of 13209778989000 in words is "thirteen trillion, two hundred nine billion, seven hundred seventy-eight million, nine hundred eighty-nine thousand".