2163749573 has 2 divisors, whose sum is σ = 2163749574. Its totient is φ = 2163749572.

The previous prime is 2163749561. The next prime is 2163749629. The reversal of 2163749573 is 3759473612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1337876929 + 825872644 = 36577^2 + 28738^2 .

It is a cyclic number.

It is not a de Polignac number, because 2163749573 - 2¹⁸ = 2163487429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163749503) 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, 1081874786 + 1081874787.

It is an arithmetic number, because the mean of its divisors is an integer number (1081874787).

Almost surely, 2^2163749573 is an apocalyptic number.

It is an amenable number.

2163749573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163749573 is an equidigital number, since it uses as much as digits as its factorization.

2163749573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 47.

The square root of 2163749573 is about 46516.1216461562. The cubic root of 2163749573 is about 1293.4083640459.

The spelling of 2163749573 in words is "two billion, one hundred sixty-three million, seven hundred forty-nine thousand, five hundred seventy-three".