6986189033 has 2 divisors, whose sum is σ = 6986189034. Its totient is φ = 6986189032.

The previous prime is 6986189017. The next prime is 6986189039. The reversal of 6986189033 is 3309816896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6591491344 + 394697689 = 81188^2 + 19867^2 .

It is a cyclic number.

It is not a de Polignac number, because 6986189033 - 2⁴ = 6986189017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6986189039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3493094516 + 3493094517.

It is an arithmetic number, because the mean of its divisors is an integer number (3493094517).

Almost surely, 2^6986189033 is an apocalyptic number.

It is an amenable number.

6986189033 is a deficient number, since it is larger than the sum of its proper divisors (1).

6986189033 is an equidigital number, since it uses as much as digits as its factorization.

6986189033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 6986189033 is about 83583.4255878520. The cubic root of 6986189033 is about 1911.6722864083.

The spelling of 6986189033 in words is "six billion, nine hundred eighty-six million, one hundred eighty-nine thousand, thirty-three".