3201986939 has 2 divisors, whose sum is σ = 3201986940. Its totient is φ = 3201986938.

The previous prime is 3201986927. The next prime is 3201986969. The reversal of 3201986939 is 9396891023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3201986939 - 2⁴ = 3201986923 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3201986969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600993469 + 1600993470.

It is an arithmetic number, because the mean of its divisors is an integer number (1600993470).

Almost surely, 2^3201986939 is an apocalyptic number.

3201986939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3201986939 is an equidigital number, since it uses as much as digits as its factorization.

3201986939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 3201986939 is about 56586.1019951012. The cubic root of 3201986939 is about 1473.9175340959.

The spelling of 3201986939 in words is "three billion, two hundred one million, nine hundred eighty-six thousand, nine hundred thirty-nine".