3644121486347 has 8 divisors (see below), whose sum is σ = 3645311310000. Its totient is φ = 3642931833184.

The previous prime is 3644121486289. The next prime is 3644121486349. The reversal of 3644121486347 is 7436841214463.

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 3644121486347 - 2³² = 3639826519051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3644121486349) 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, 53010404 + ... + 53079102.

It is an arithmetic number, because the mean of its divisors is an integer number (455663913750).

Almost surely, 2^{3644121486347} is an apocalyptic number.

3644121486347 is a deficient number, since it is larger than the sum of its proper divisors (1189823653).

3644121486347 is a wasteful number, since it uses less digits than its factorization.

3644121486347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85245.

The product of its digits is 9289728, while the sum is 53.

The spelling of 3644121486347 in words is "three trillion, six hundred forty-four billion, one hundred twenty-one million, four hundred eighty-six thousand, three hundred forty-seven".