5940343891 has 2 divisors, whose sum is σ = 5940343892. Its totient is φ = 5940343890.

The previous prime is 5940343879. The next prime is 5940343909. The reversal of 5940343891 is 1983430495.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5940343891 - 2¹¹ = 5940341843 is a prime.

It is not a weakly prime, because it can be changed into another prime (5940343811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2970171945 + 2970171946.

It is an arithmetic number, because the mean of its divisors is an integer number (2970171946).

Almost surely, 2^5940343891 is an apocalyptic number.

5940343891 is a deficient number, since it is larger than the sum of its proper divisors (1).

5940343891 is an equidigital number, since it uses as much as digits as its factorization.

5940343891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 5940343891 is about 77073.6264295381. The cubic root of 5940343891 is about 1811.0781699420.

The spelling of 5940343891 in words is "five billion, nine hundred forty million, three hundred forty-three thousand, eight hundred ninety-one".