3293729893 has 2 divisors, whose sum is σ = 3293729894. Its totient is φ = 3293729892.

The previous prime is 3293729863. The next prime is 3293729903. The reversal of 3293729893 is 3989273923.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3155855329 + 137874564 = 56177^2 + 11742^2 .

It is an emirp because it is prime and its reverse (3989273923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3293729893 - 2⁵ = 3293729861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3293729863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1646864946 + 1646864947.

It is an arithmetic number, because the mean of its divisors is an integer number (1646864947).

Almost surely, 2^3293729893 is an apocalyptic number.

It is an amenable number.

3293729893 is a deficient number, since it is larger than the sum of its proper divisors (1).

3293729893 is an equidigital number, since it uses as much as digits as its factorization.

3293729893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 55.

The square root of 3293729893 is about 57391.0262410422. The cubic root of 3293729893 is about 1487.8620288511.

The spelling of 3293729893 in words is "three billion, two hundred ninety-three million, seven hundred twenty-nine thousand, eight hundred ninety-three".