2073630281 has 2 divisors, whose sum is σ = 2073630282. Its totient is φ = 2073630280.

The previous prime is 2073630263. The next prime is 2073630329. The reversal of 2073630281 is 1820363702.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1958947600 + 114682681 = 44260^2 + 10709^2 .

It is a cyclic number.

It is not a de Polignac number, because 2073630281 - 2³⁰ = 999888457 is a prime.

It is a super-2 number, since 2×2073630281² = 8599885084560277922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2073630211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036815140 + 1036815141.

It is an arithmetic number, because the mean of its divisors is an integer number (1036815141).

Almost surely, 2^2073630281 is an apocalyptic number.

It is an amenable number.

2073630281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2073630281 is an equidigital number, since it uses as much as digits as its factorization.

2073630281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2073630281 is about 45537.1307945505. The cubic root of 2073630281 is about 1275.1964902351.

Adding to 2073630281 its reverse (1820363702), we get a palindrome (3893993983).

The spelling of 2073630281 in words is "two billion, seventy-three million, six hundred thirty thousand, two hundred eighty-one".