2113324445 has 4 divisors (see below), whose sum is σ = 2535989340. Its totient is φ = 1690659552.

The previous prime is 2113324441. The next prime is 2113324463. The reversal of 2113324445 is 5444233112.

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 834689881 + 1278634564 = 28891^2 + 35758^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113324445 - 2² = 2113324441 is a prime.

It is a super-2 number, since 2×2113324445² = 8932280419669116050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113324441) 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, 211332440 + ... + 211332449.

It is an arithmetic number, because the mean of its divisors is an integer number (633997335).

Almost surely, 2^2113324445 is an apocalyptic number.

It is an amenable number.

2113324445 is a deficient number, since it is larger than the sum of its proper divisors (422664895).

2113324445 is an equidigital number, since it uses as much as digits as its factorization.

2113324445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422664894.

The product of its digits is 11520, while the sum is 29.

The square root of 2113324445 is about 45970.9086814694. The cubic root of 2113324445 is about 1283.2818705774.

Adding to 2113324445 its reverse (5444233112), we get a palindrome (7557557557).

The spelling of 2113324445 in words is "two billion, one hundred thirteen million, three hundred twenty-four thousand, four hundred forty-five".