3536621915904 has 864 divisors, whose sum is σ = 12894094886400. Its totient is φ = 905629040640.

The previous prime is 3536621915903. The next prime is 3536621915909. The reversal of 3536621915904 is 4095191266353.

3536621915904 is a `hidden beast` number, since 3 + 5 + 3 + 6 + 621 + 9 + 1 + 5 + 9 + 0 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3536621915903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4266129762 + ... + 4266130590.

Almost surely, 2^{3536621915904} 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 3536621915904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6447047443200).

3536621915904 is an abundant number, since it is smaller than the sum of its proper divisors (9357472970496).

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

3536621915904 is a wasteful number, since it uses less digits than its factorization.

3536621915904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 3536621915904 in words is "three trillion, five hundred thirty-six billion, six hundred twenty-one million, nine hundred fifteen thousand, nine hundred four".