3543111421 has 4 divisors (see below), whose sum is σ = 3543424000. Its totient is φ = 3542798844.

The previous prime is 3543111419. The next prime is 3543111433. The reversal of 3543111421 is 1241113453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3543111421 - 2¹ = 3543111419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3543111401) 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, 138621 + ... + 162178.

It is an arithmetic number, because the mean of its divisors is an integer number (885856000).

Almost surely, 2^3543111421 is an apocalyptic number.

It is an amenable number.

3543111421 is a deficient number, since it is larger than the sum of its proper divisors (312579).

3543111421 is a wasteful number, since it uses less digits than its factorization.

3543111421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312578.

The product of its digits is 1440, while the sum is 25.

The square root of 3543111421 is about 59524.0406978559. The cubic root of 3543111421 is about 1524.5029530905.

Adding to 3543111421 its reverse (1241113453), we get a palindrome (4784224874).

The spelling of 3543111421 in words is "three billion, five hundred forty-three million, one hundred eleven thousand, four hundred twenty-one".