3543405243 has 16 divisors (see below), whose sum is σ = 5405066496. Its totient is φ = 2022706080.

The previous prime is 3543405227. The next prime is 3543405293. The reversal of 3543405243 is 3425043453.

It is a happy number.

3543405243 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3543405243 - 2⁴ = 3543405227 is a prime.

It is a super-2 number, since 2×3543405243² = 25111441432239778098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3543405293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66496 + ... + 107277.

It is an arithmetic number, because the mean of its divisors is an integer number (337816656).

Almost surely, 2^3543405243 is an apocalyptic number.

3543405243 is a deficient number, since it is larger than the sum of its proper divisors (1861661253).

3543405243 is a wasteful number, since it uses less digits than its factorization.

3543405243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174754.

The product of its (nonzero) digits is 86400, while the sum is 33.

The square root of 3543405243 is about 59526.5087419042. The cubic root of 3543405243 is about 1524.5450930886.

Adding to 3543405243 its reverse (3425043453), we get a palindrome (6968448696).

The spelling of 3543405243 in words is "three billion, five hundred forty-three million, four hundred five thousand, two hundred forty-three".