3420543043 has 4 divisors (see below), whose sum is σ = 3420662400. Its totient is φ = 3420423688.

The previous prime is 3420543037. The next prime is 3420543083. The reversal of 3420543043 is 3403450243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3420543043 - 2¹⁷ = 3420411971 is a prime.

It is a super-2 number, since 2×3420543043² = 23400229418031399698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3420543083) 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, 12033 + ... + 83581.

It is an arithmetic number, because the mean of its divisors is an integer number (855165600).

Almost surely, 2^3420543043 is an apocalyptic number.

3420543043 is a deficient number, since it is larger than the sum of its proper divisors (119357).

3420543043 is an equidigital number, since it uses as much as digits as its factorization.

3420543043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119356.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 3420543043 is about 58485.4088042479. The cubic root of 3420543043 is about 1506.7169939126.

Adding to 3420543043 its reverse (3403450243), we get a palindrome (6823993286).

The spelling of 3420543043 in words is "three billion, four hundred twenty million, five hundred forty-three thousand, forty-three".