3638167573 has 2 divisors, whose sum is σ = 3638167574. Its totient is φ = 3638167572.

The previous prime is 3638167529. The next prime is 3638167591. The reversal of 3638167573 is 3757618363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3117323889 + 520843684 = 55833^2 + 22822^2 .

It is a cyclic number.

It is not a de Polignac number, because 3638167573 - 2⁹ = 3638167061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3638167373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1819083786 + 1819083787.

It is an arithmetic number, because the mean of its divisors is an integer number (1819083787).

Almost surely, 2^3638167573 is an apocalyptic number.

It is an amenable number.

3638167573 is a deficient number, since it is larger than the sum of its proper divisors (1).

3638167573 is an equidigital number, since it uses as much as digits as its factorization.

3638167573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1905120, while the sum is 49.

The square root of 3638167573 is about 60317.2245134008. The cubic root of 3638167573 is about 1538.0161632509.

The spelling of 3638167573 in words is "three billion, six hundred thirty-eight million, one hundred sixty-seven thousand, five hundred seventy-three".