3543243057 has 6 divisors (see below), whose sum is σ = 5118017762. Its totient is φ = 2362162032.

The previous prime is 3543243049. The next prime is 3543243059. The reversal of 3543243057 is 7503423453.

It can be written as a sum of positive squares in only one way, i.e., 2300257521 + 1242985536 = 47961^2 + 35256^2 .

It is not a de Polignac number, because 3543243057 - 2³ = 3543243049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3543243059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196846828 + ... + 196846845.

Almost surely, 2^3543243057 is an apocalyptic number.

It is an amenable number.

3543243057 is a deficient number, since it is larger than the sum of its proper divisors (1574774705).

3543243057 is a wasteful number, since it uses less digits than its factorization.

3543243057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393693679 (or 393693676 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 36.

The square root of 3543243057 is about 59525.1464256914. The cubic root of 3543243057 is about 1524.5218326347.

The spelling of 3543243057 in words is "three billion, five hundred forty-three million, two hundred forty-three thousand, fifty-seven".