3631987825722 has 48 divisors (see below), whose sum is σ = 7890584832000. Its totient is φ = 1207389679776.

The previous prime is 3631987825721. The next prime is 3631987825727. The reversal of 3631987825722 is 2275287891363.

3631987825722 is a `hidden beast` number, since 363 + 19 + 8 + 7 + 8 + 257 + 2 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3631987825722.

It is not an unprimeable number, because it can be changed into a prime (3631987825721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110887404 + ... + 110920152.

It is an arithmetic number, because the mean of its divisors is an integer number (164387184000).

Almost surely, 2^{3631987825722} is an apocalyptic number.

3631987825722 is an abundant number, since it is smaller than the sum of its proper divisors (4258597006278).

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

3631987825722 is a wasteful number, since it uses less digits than its factorization.

3631987825722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49227 (or 49224 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 3631987825722 in words is "three trillion, six hundred thirty-one billion, nine hundred eighty-seven million, eight hundred twenty-five thousand, seven hundred twenty-two".