3613428816570 has 256 divisors, whose sum is σ = 10207588147200. Its totient is φ = 907068222720.

The previous prime is 3613428816511. The next prime is 3613428816577. The reversal of 3613428816570 is 756188243163.

3613428816570 is a `hidden beast` number, since 3 + 6 + 1 + 34 + 28 + 8 + 16 + 570 = 666.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3613428816577) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 551918037 + ... + 551924583.

It is an arithmetic number, because the mean of its divisors is an integer number (39873391200).

Almost surely, 2^{3613428816570} is an apocalyptic number.

3613428816570 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3613428816570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5103794073600).

3613428816570 is an abundant number, since it is smaller than the sum of its proper divisors (6594159330630).

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

3613428816570 is a wasteful number, since it uses less digits than its factorization.

3613428816570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7250 (or 7244 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 3613428816570 in words is "three trillion, six hundred thirteen billion, four hundred twenty-eight million, eight hundred sixteen thousand, five hundred seventy".