3321145393 has 2 divisors, whose sum is σ = 3321145394. Its totient is φ = 3321145392.

The previous prime is 3321145391. The next prime is 3321145403. The reversal of 3321145393 is 3935411233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1941988624 + 1379156769 = 44068^2 + 37137^2 .

It is a cyclic number.

It is not a de Polignac number, because 3321145393 - 2¹ = 3321145391 is a prime.

It is a super-2 number, since 2×3321145393² = 22060013442890248898, which contains 22 as substring.

Together with 3321145391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3321145391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660572696 + 1660572697.

It is an arithmetic number, because the mean of its divisors is an integer number (1660572697).

Almost surely, 2^3321145393 is an apocalyptic number.

It is an amenable number.

3321145393 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321145393 is an equidigital number, since it uses as much as digits as its factorization.

3321145393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 34.

The square root of 3321145393 is about 57629.3795992981. The cubic root of 3321145393 is about 1491.9787222310.

The spelling of 3321145393 in words is "three billion, three hundred twenty-one million, one hundred forty-five thousand, three hundred ninety-three".