3689605073628 has 96 divisors (see below), whose sum is σ = 9825536302400. Its totient is φ = 1196462700288.

The previous prime is 3689605073621. The next prime is 3689605073641. The reversal of 3689605073628 is 8263705069863.

3689605073628 is a `hidden beast` number, since 3 + 6 + 8 + 9 + 60 + 507 + 3 + 62 + 8 = 666.

It is a super-2 number, since 2×3689605073628² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689605073621) 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, 30585126 + ... + 30705522.

Almost surely, 2^{3689605073628} 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 3689605073628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4912768151200).

3689605073628 is an abundant number, since it is smaller than the sum of its proper divisors (6135931228772).

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

3689605073628 is a wasteful number, since it uses less digits than its factorization.

3689605073628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128116 (or 128108 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 3689605073628 in words is "three trillion, six hundred eighty-nine billion, six hundred five million, seventy-three thousand, six hundred twenty-eight".