3621599449187 has 8 divisors (see below), whose sum is σ = 3692341741680. Its totient is φ = 3550946424480.

The previous prime is 3621599449177. The next prime is 3621599449339. The reversal of 3621599449187 is 7819449951263.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3621599449187 - 2⁸ = 3621599448931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3621599449147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22235012 + ... + 22397297.

It is an arithmetic number, because the mean of its divisors is an integer number (461542717710).

Almost surely, 2^{3621599449187} is an apocalyptic number.

3621599449187 is a deficient number, since it is larger than the sum of its proper divisors (70742292493).

3621599449187 is a wasteful number, since it uses less digits than its factorization.

3621599449187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44633893.

The product of its digits is 117573120, while the sum is 68.

The spelling of 3621599449187 in words is "three trillion, six hundred twenty-one billion, five hundred ninety-nine million, four hundred forty-nine thousand, one hundred eighty-seven".