13639550649120 has 384 divisors, whose sum is σ = 52663449888000. Its totient is φ = 3269404385280.

The previous prime is 13639550649119. The next prime is 13639550649149. The reversal of 13639550649120 is 2194605593631.

13639550649120 is a `hidden beast` number, since 1 + 3 + 6 + 3 + 9 + 5 + 506 + 4 + 9 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2616766 + ... + 5841794.

It is an arithmetic number, because the mean of its divisors is an integer number (137144400750).

Almost surely, 2^{13639550649120} is an apocalyptic number.

13639550649120 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 13639550649120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26331724944000).

13639550649120 is an abundant number, since it is smaller than the sum of its proper divisors (39023899238880).

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

13639550649120 is a wasteful number, since it uses less digits than its factorization.

13639550649120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225153 (or 3225139 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 13639550649120 in words is "thirteen trillion, six hundred thirty-nine billion, five hundred fifty million, six hundred forty-nine thousand, one hundred twenty".