5943994009 has 2 divisors, whose sum is σ = 5943994010. Its totient is φ = 5943994008.

The previous prime is 5943994003. The next prime is 5943994013. The reversal of 5943994009 is 9004993495.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5736547600 + 207446409 = 75740^2 + 14403^2 .

It is a cyclic number.

It is not a de Polignac number, because 5943994009 - 2¹⁵ = 5943961241 is a prime.

It is not a weakly prime, because it can be changed into another prime (5943994003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2971997004 + 2971997005.

It is an arithmetic number, because the mean of its divisors is an integer number (2971997005).

Almost surely, 2^5943994009 is an apocalyptic number.

It is an amenable number.

5943994009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5943994009 is an equidigital number, since it uses as much as digits as its factorization.

5943994009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1574640, while the sum is 52.

The square root of 5943994009 is about 77097.3022160957. The cubic root of 5943994009 is about 1811.4490404736.

The spelling of 5943994009 in words is "five billion, nine hundred forty-three million, nine hundred ninety-four thousand, nine".