2130104045 has 4 divisors (see below), whose sum is σ = 2556124860. Its totient is φ = 1704083232.

The previous prime is 2130104021. The next prime is 2130104047. The reversal of 2130104045 is 5404010312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1531469956 + 598634089 = 39134^2 + 24467^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130104045 - 2⁶ = 2130103981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130104047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213010400 + ... + 213010409.

It is an arithmetic number, because the mean of its divisors is an integer number (639031215).

Almost surely, 2^2130104045 is an apocalyptic number.

It is an amenable number.

2130104045 is a deficient number, since it is larger than the sum of its proper divisors (426020815).

2130104045 is an equidigital number, since it uses as much as digits as its factorization.

2130104045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426020814.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2130104045 is about 46153.0502242268. The cubic root of 2130104045 is about 1286.6693006992.

Adding to 2130104045 its reverse (5404010312), we get a palindrome (7534114357).

The spelling of 2130104045 in words is "two billion, one hundred thirty million, one hundred four thousand, forty-five".