3621850154406 has 48 divisors (see below), whose sum is σ = 8561719528128. Its totient is φ = 1097404350000.

The previous prime is 3621850154381. The next prime is 3621850154443. The reversal of 3621850154406 is 6044510581263.

3621850154406 is a `hidden beast` number, since 3 + 6 + 21 + 85 + 0 + 1 + 544 + 0 + 6 = 666.

3621850154406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686281 + ... + 2777531.

It is an arithmetic number, because the mean of its divisors is an integer number (178369156836).

Almost surely, 2^{3621850154406} is an apocalyptic number.

3621850154406 is an abundant number, since it is smaller than the sum of its proper divisors (4939869373722).

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

3621850154406 is a wasteful number, since it uses less digits than its factorization.

3621850154406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100017 (or 2100014 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 3621850154406 in words is "three trillion, six hundred twenty-one billion, eight hundred fifty million, one hundred fifty-four thousand, four hundred six".