3621550540138 has 16 divisors (see below), whose sum is σ = 5751936187200. Its totient is φ = 1704240766656.

The previous prime is 3621550540133. The next prime is 3621550540147. The reversal of 3621550540138 is 8310450551263.

It is a junction number, because it is equal to n+sod(n) for n = 3621550540094 and 3621550540103.

It is not an unprimeable number, because it can be changed into a prime (3621550540133) 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 7 ways as a sum of consecutive naturals, for example, 2953645 + ... + 3995887.

It is an arithmetic number, because the mean of its divisors is an integer number (359496011700).

Almost surely, 2^{3621550540138} is an apocalyptic number.

3621550540138 is a deficient number, since it is larger than the sum of its proper divisors (2130385647062).

3621550540138 is a wasteful number, since it uses less digits than its factorization.

3621550540138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144461.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 3621550540138 in words is "three trillion, six hundred twenty-one billion, five hundred fifty million, five hundred forty thousand, one hundred thirty-eight".