3216514673 has 4 divisors (see below), whose sum is σ = 3303447540. Its totient is φ = 3129581808.

The previous prime is 3216514667. The next prime is 3216514723. The reversal of 3216514673 is 3764156123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2848143424 + 368371249 = 53368^2 + 19193^2 .

It is a cyclic number.

It is not a de Polignac number, because 3216514673 - 2⁸ = 3216514417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3216514573) 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, 43466378 + ... + 43466451.

It is an arithmetic number, because the mean of its divisors is an integer number (825861885).

Almost surely, 2^3216514673 is an apocalyptic number.

It is an amenable number.

3216514673 is a deficient number, since it is larger than the sum of its proper divisors (86932867).

3216514673 is an equidigital number, since it uses as much as digits as its factorization.

3216514673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86932866.

The product of its digits is 90720, while the sum is 38.

The square root of 3216514673 is about 56714.3251127967. The cubic root of 3216514673 is about 1476.1432749497.

The spelling of 3216514673 in words is "three billion, two hundred sixteen million, five hundred fourteen thousand, six hundred seventy-three".