2147818073 has 2 divisors, whose sum is σ = 2147818074. Its totient is φ = 2147818072.

The previous prime is 2147818061. The next prime is 2147818081. The reversal of 2147818073 is 3708187412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1091113024 + 1056705049 = 33032^2 + 32507^2 .

It is a cyclic number.

It is not a de Polignac number, because 2147818073 - 2¹² = 2147813977 is a prime.

It is a super-2 number, since 2×2147818073² = 9226244949410866658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2147818073.

It is not a weakly prime, because it can be changed into another prime (2147818093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073909036 + 1073909037.

It is an arithmetic number, because the mean of its divisors is an integer number (1073909037).

Almost surely, 2^2147818073 is an apocalyptic number.

It is an amenable number.

2147818073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147818073 is an equidigital number, since it uses as much as digits as its factorization.

2147818073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 2147818073 is about 46344.5581810853. The cubic root of 2147818073 is about 1290.2261232515.

The spelling of 2147818073 in words is "two billion, one hundred forty-seven million, eight hundred eighteen thousand, seventy-three".