2130652445 has 4 divisors (see below), whose sum is σ = 2556782940. Its totient is φ = 1704521952.

The previous prime is 2130652441. The next prime is 2130652471. The reversal of 2130652445 is 5442560312.

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 1547478244 + 583174201 = 39338^2 + 24149^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130652445 - 2² = 2130652441 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 (2130652441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213065240 + ... + 213065249.

It is an arithmetic number, because the mean of its divisors is an integer number (639195735).

Almost surely, 2^2130652445 is an apocalyptic number.

It is an amenable number.

2130652445 is a deficient number, since it is larger than the sum of its proper divisors (426130495).

2130652445 is an equidigital number, since it uses as much as digits as its factorization.

2130652445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426130494.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2130652445 is about 46158.9909443437. The cubic root of 2130652445 is about 1286.7797098443.

The spelling of 2130652445 in words is "two billion, one hundred thirty million, six hundred fifty-two thousand, four hundred forty-five".