3694679523136 has 224 divisors, whose sum is σ = 8692297779200. Its totient is φ = 1525158512640.

The previous prime is 3694679523131. The next prime is 3694679523137. The reversal of 3694679523136 is 6313259764963.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3694679523131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 873238141 + ... + 873242371.

It is an arithmetic number, because the mean of its divisors is an integer number (38804900800).

Almost surely, 2^{3694679523136} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3694679523136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4346148889600).

3694679523136 is an abundant number, since it is smaller than the sum of its proper divisors (4997618256064).

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

3694679523136 is a wasteful number, since it uses less digits than its factorization.

3694679523136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805 (or 4795 counting only the distinct ones).

The product of its digits is 132269760, while the sum is 64.

The spelling of 3694679523136 in words is "three trillion, six hundred ninety-four billion, six hundred seventy-nine million, five hundred twenty-three thousand, one hundred thirty-six".