3493219321 has 4 divisors (see below), whose sum is σ = 3587630692. Its totient is φ = 3398807952.

The previous prime is 3493219307. The next prime is 3493219333. The reversal of 3493219321 is 1239123943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1239123943 = 397 ⋅3121219.

It can be written as a sum of positive squares in 2 ways, for example, as 3202994025 + 290225296 = 56595^2 + 17036^2 .

It is a cyclic number.

It is not a de Polignac number, because 3493219321 - 2¹⁵ = 3493186553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 94411333 = 3493219321 / (3 + 4 + 9 + 3 + 2 + 1 + 9 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3493219361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47205630 + ... + 47205703.

It is an arithmetic number, because the mean of its divisors is an integer number (896907673).

Almost surely, 2^3493219321 is an apocalyptic number.

It is an amenable number.

3493219321 is a deficient number, since it is larger than the sum of its proper divisors (94411371).

3493219321 is an equidigital number, since it uses as much as digits as its factorization.

3493219321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94411370.

The product of its digits is 34992, while the sum is 37.

The square root of 3493219321 is about 59103.4628511731. The cubic root of 3493219321 is about 1517.3133694579.

The spelling of 3493219321 in words is "three billion, four hundred ninety-three million, two hundred nineteen thousand, three hundred twenty-one".