3453543215 has 4 divisors (see below), whose sum is σ = 4144251864. Its totient is φ = 2762834568.

The previous prime is 3453543179. The next prime is 3453543253. The reversal of 3453543215 is 5123453543.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3453543215 - 2⁸ = 3453542959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345354317 + ... + 345354326.

It is an arithmetic number, because the mean of its divisors is an integer number (1036062966).

Almost surely, 2^3453543215 is an apocalyptic number.

3453543215 is a deficient number, since it is larger than the sum of its proper divisors (690708649).

3453543215 is an equidigital number, since it uses as much as digits as its factorization.

3453543215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690708648.

The product of its digits is 108000, while the sum is 35.

The square root of 3453543215 is about 58766.8547312173. The cubic root of 3453543215 is about 1511.5469162515.

Adding to 3453543215 its reverse (5123453543), we get a palindrome (8576996758).

The spelling of 3453543215 in words is "three billion, four hundred fifty-three million, five hundred forty-three thousand, two hundred fifteen".