2073630291 has 4 divisors (see below), whose sum is σ = 2764840392. Its totient is φ = 1382420192.

The previous prime is 2073630281. The next prime is 2073630329. The reversal of 2073630291 is 1920363702.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2073630291 - 2¹⁰ = 2073629267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2073630211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345605046 + ... + 345605051.

It is an arithmetic number, because the mean of its divisors is an integer number (691210098).

Almost surely, 2^2073630291 is an apocalyptic number.

2073630291 is a deficient number, since it is larger than the sum of its proper divisors (691210101).

2073630291 is an equidigital number, since it uses as much as digits as its factorization.

2073630291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691210100.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 2073630291 is about 45537.1309043510. The cubic root of 2073630291 is about 1275.1964922849.

Adding to 2073630291 its reverse (1920363702), we get a palindrome (3993993993).

The spelling of 2073630291 in words is "two billion, seventy-three million, six hundred thirty thousand, two hundred ninety-one".