3621523601145 has 16 divisors (see below), whose sum is σ = 5794580207232. Its totient is φ = 1931431772160.

The previous prime is 3621523601141. The next prime is 3621523601147. The reversal of 3621523601145 is 5411063251263.

It is a happy number.

It is not a de Polignac number, because 3621523601145 - 2² = 3621523601141 is a prime.

It is a super-2 number, since 2×3621523601145² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3621523601141) 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 15 ways as a sum of consecutive naturals, for example, 2332717 + ... + 3561546.

It is an arithmetic number, because the mean of its divisors is an integer number (362161262952).

Almost surely, 2^{3621523601145} is an apocalyptic number.

It is an amenable number.

3621523601145 is a deficient number, since it is larger than the sum of its proper divisors (2173056606087).

3621523601145 is a wasteful number, since it uses less digits than its factorization.

3621523601145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935232.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 3621523601145 in words is "three trillion, six hundred twenty-one billion, five hundred twenty-three million, six hundred one thousand, one hundred forty-five".