3216461543 has 4 divisors (see below), whose sum is σ = 3327374040. Its totient is φ = 3105549048.

The previous prime is 3216461491. The next prime is 3216461551. The reversal of 3216461543 is 3451646123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3451646123 = 6359 ⋅542797.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3216461543 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 (3216466543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55456205 + ... + 55456262.

It is an arithmetic number, because the mean of its divisors is an integer number (831843510).

Almost surely, 2^3216461543 is an apocalyptic number.

3216461543 is a deficient number, since it is larger than the sum of its proper divisors (110912497).

3216461543 is a wasteful number, since it uses less digits than its factorization.

3216461543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110912496.

The product of its digits is 51840, while the sum is 35.

The square root of 3216461543 is about 56713.8567106840. The cubic root of 3216461543 is about 1476.1351473196.

The spelling of 3216461543 in words is "three billion, two hundred sixteen million, four hundred sixty-one thousand, five hundred forty-three".