3644161646219 has 2 divisors, whose sum is σ = 3644161646220. Its totient is φ = 3644161646218.

The previous prime is 3644161646113. The next prime is 3644161646231. The reversal of 3644161646219 is 9126461614463.

3644161646219 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3644161646219 is a prime.

It is a super-2 number, since 2×3644161646219² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3644161646299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822080823109 + 1822080823110.

It is an arithmetic number, because the mean of its divisors is an integer number (1822080823110).

Almost surely, 2^{3644161646219} is an apocalyptic number.

3644161646219 is a deficient number, since it is larger than the sum of its proper divisors (1).

3644161646219 is an equidigital number, since it uses as much as digits as its factorization.

3644161646219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 53.

The spelling of 3644161646219 in words is "three trillion, six hundred forty-four billion, one hundred sixty-one million, six hundred forty-six thousand, two hundred nineteen".