3543172543 has 2 divisors, whose sum is σ = 3543172544. Its totient is φ = 3543172542.

The previous prime is 3543172541. The next prime is 3543172553. The reversal of 3543172543 is 3452713453.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3543172543 - 2¹ = 3543172541 is a prime.

Together with 3543172541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3543172541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1771586271 + 1771586272.

It is an arithmetic number, because the mean of its divisors is an integer number (1771586272).

Almost surely, 2^3543172543 is an apocalyptic number.

3543172543 is a deficient number, since it is larger than the sum of its proper divisors (1).

3543172543 is an equidigital number, since it uses as much as digits as its factorization.

3543172543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 37.

The square root of 3543172543 is about 59524.5541184476. The cubic root of 3543172543 is about 1524.5117194094.

Adding to 3543172543 its reverse (3452713453), we get a palindrome (6995885996).

The spelling of 3543172543 in words is "three billion, five hundred forty-three million, one hundred seventy-two thousand, five hundred forty-three".