3216326149 has 4 divisors (see below), whose sum is σ = 3216481164. Its totient is φ = 3216171136.

The previous prime is 3216326117. The next prime is 3216326153. The reversal of 3216326149 is 9416236123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9416236123 = 7 ⋅1345176589.

It can be written as a sum of positive squares in 2 ways, for example, as 3076920900 + 139405249 = 55470^2 + 11807^2 .

It is a cyclic number.

It is not a de Polignac number, because 3216326149 - 2⁵ = 3216326117 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 (3216326159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40492 + ... + 89845.

It is an arithmetic number, because the mean of its divisors is an integer number (804120291).

Almost surely, 2^3216326149 is an apocalyptic number.

It is an amenable number.

3216326149 is a deficient number, since it is larger than the sum of its proper divisors (155015).

3216326149 is a wasteful number, since it uses less digits than its factorization.

3216326149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155014.

The product of its digits is 46656, while the sum is 37.

The square root of 3216326149 is about 56712.6630392190. The cubic root of 3216326149 is about 1476.1144348437.

The spelling of 3216326149 in words is "three billion, two hundred sixteen million, three hundred twenty-six thousand, one hundred forty-nine".