2130441345 has 20 divisors (see below), whose sum is σ = 3819014100. Its totient is φ = 1136235168.

The previous prime is 2130441323. The next prime is 2130441349. The reversal of 2130441345 is 5431440312.

It is a happy number.

2130441345 is a `hidden beast` number, since 213 + 0 + 441 + 3 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1666598976 + 463842369 = 40824^2 + 21537^2 .

It is not a de Polignac number, because 2130441345 - 2⁶ = 2130441281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2130441349) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2629770 + ... + 2630579.

It is an arithmetic number, because the mean of its divisors is an integer number (190950705).

Almost surely, 2^2130441345 is an apocalyptic number.

It is an amenable number.

2130441345 is a deficient number, since it is larger than the sum of its proper divisors (1688572755).

2130441345 is an equidigital number, since it uses as much as digits as its factorization.

2130441345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260366 (or 5260357 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2130441345 is about 46156.7042259302. The cubic root of 2130441345 is about 1286.7372114116.

Adding to 2130441345 its reverse (5431440312), we get a palindrome (7561881657).

The spelling of 2130441345 in words is "two billion, one hundred thirty million, four hundred forty-one thousand, three hundred forty-five".