3291338943 has 12 divisors (see below), whose sum is σ = 4760870920. Its totient is φ = 2191126896.

The previous prime is 3291338929. The next prime is 3291338957. The reversal of 3291338943 is 3498331923.

It is an interprime number because it is at equal distance from previous prime (3291338929) and next prime (3291338957).

It is not a de Polignac number, because 3291338943 - 2⁶ = 3291338879 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 (3291338903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251521 + ... + 264282.

Almost surely, 2^3291338943 is an apocalyptic number.

3291338943 is a deficient number, since it is larger than the sum of its proper divisors (1469531977).

3291338943 is a wasteful number, since it uses less digits than its factorization.

3291338943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516518 (or 516515 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 3291338943 is about 57370.1921122807. The cubic root of 3291338943 is about 1487.5019239483.

The spelling of 3291338943 in words is "three billion, two hundred ninety-one million, three hundred thirty-eight thousand, nine hundred forty-three".