3638893349743 has 2 divisors, whose sum is σ = 3638893349744. Its totient is φ = 3638893349742.

The previous prime is 3638893349731. The next prime is 3638893349753. The reversal of 3638893349743 is 3479433988363.

It is a strong prime.

It is an emirp because it is prime and its reverse (3479433988363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3638893349743 - 2¹⁷ = 3638893218671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3638893349713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1819446674871 + 1819446674872.

It is an arithmetic number, because the mean of its divisors is an integer number (1819446674872).

Almost surely, 2^{3638893349743} is an apocalyptic number.

3638893349743 is a deficient number, since it is larger than the sum of its proper divisors (1).

3638893349743 is an equidigital number, since it uses as much as digits as its factorization.

3638893349743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846526464, while the sum is 70.

The spelling of 3638893349743 in words is "three trillion, six hundred thirty-eight billion, eight hundred ninety-three million, three hundred forty-nine thousand, seven hundred forty-three".