2345665441 has 4 divisors (see below), whose sum is σ = 2680760512. Its totient is φ = 2010570372.

The previous prime is 2345665409. The next prime is 2345665447. The reversal of 2345665441 is 1445665432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2345665441 - 2⁵ = 2345665409 is a prime.

It is a super-2 number, since 2×2345665441² = 11004292722203448962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2345665394 and 2345665403.

It is not an unprimeable number, because it can be changed into a prime (2345665447) 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, 167547525 + ... + 167547538.

It is an arithmetic number, because the mean of its divisors is an integer number (670190128).

Almost surely, 2^2345665441 is an apocalyptic number.

It is an amenable number.

2345665441 is a deficient number, since it is larger than the sum of its proper divisors (335095071).

2345665441 is an equidigital number, since it uses as much as digits as its factorization.

2345665441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335095070.

The product of its digits is 345600, while the sum is 40.

The square root of 2345665441 is about 48432.0703769723. The cubic root of 2345665441 is about 1328.6849724645.

Subtracting from 2345665441 its reverse (1445665432), we obtain a palindrome (900000009).

The spelling of 2345665441 in words is "two billion, three hundred forty-five million, six hundred sixty-five thousand, four hundred forty-one".