3709644443136 has 360 divisors, whose sum is σ = 11850500581920. Its totient is φ = 1113197150208.

The previous prime is 3709644443123. The next prime is 3709644443161. The reversal of 3709644443136 is 6313444469073.

3709644443136 is a `hidden beast` number, since 3 + 7 + 0 + 9 + 64 + 4 + 443 + 136 = 666.

It is a super-2 number, since 2×3709644443136² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41394985 + ... + 41484503.

It is an arithmetic number, because the mean of its divisors is an integer number (32918057172).

Almost surely, 2^{3709644443136} is an apocalyptic number.

3709644443136 is a gapful number since it is divisible by the number (36) 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 3709644443136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5925250290960).

3709644443136 is an abundant number, since it is smaller than the sum of its proper divisors (8140856138784).

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

3709644443136 is a wasteful number, since it uses less digits than its factorization.

3709644443136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89606 (or 89564 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 54.

The spelling of 3709644443136 in words is "three trillion, seven hundred nine billion, six hundred forty-four million, four hundred forty-three thousand, one hundred thirty-six".