3864501104549 has 2 divisors, whose sum is σ = 3864501104550. Its totient is φ = 3864501104548.

The previous prime is 3864501104501. The next prime is 3864501104551. The reversal of 3864501104549 is 9454011054683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3863261008324 + 1240096225 = 1965518^2 + 35215^2 .

It is a cyclic number.

It is not a de Polignac number, because 3864501104549 - 2⁴⁰ = 2764989476773 is a prime.

It is a Sophie Germain prime.

Together with 3864501104551, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3864501104497 and 3864501104506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3864501104599) 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 as a sum of consecutive naturals, namely, 1932250552274 + 1932250552275.

It is an arithmetic number, because the mean of its divisors is an integer number (1932250552275).

Almost surely, 2^{3864501104549} is an apocalyptic number.

It is an amenable number.

3864501104549 is a deficient number, since it is larger than the sum of its proper divisors (1).

3864501104549 is an equidigital number, since it uses as much as digits as its factorization.

3864501104549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 3864501104549 in words is "three trillion, eight hundred sixty-four billion, five hundred one million, one hundred four thousand, five hundred forty-nine".