3644073346091 has 2 divisors, whose sum is σ = 3644073346092. Its totient is φ = 3644073346090.

The previous prime is 3644073346031. The next prime is 3644073346157. The reversal of 3644073346091 is 1906433704463.

It is a weak prime.

It is an emirp because it is prime and its reverse (1906433704463) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3644073346091 is a prime.

It is not a weakly prime, because it can be changed into another prime (3644073346021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822036673045 + 1822036673046.

It is an arithmetic number, because the mean of its divisors is an integer number (1822036673046).

Almost surely, 2^{3644073346091} is an apocalyptic number.

3644073346091 is a deficient number, since it is larger than the sum of its proper divisors (1).

3644073346091 is an equidigital number, since it uses as much as digits as its factorization.

3644073346091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 50.

The spelling of 3644073346091 in words is "three trillion, six hundred forty-four billion, seventy-three million, three hundred forty-six thousand, ninety-one".