3200649979 has 2 divisors, whose sum is σ = 3200649980. Its totient is φ = 3200649978.

The previous prime is 3200649899. The next prime is 3200650009. The reversal of 3200649979 is 9799460023.

It is a strong prime.

It is an emirp because it is prime and its reverse (9799460023) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3200649979 is a prime.

It is not a weakly prime, because it can be changed into another prime (3200649079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600324989 + 1600324990.

It is an arithmetic number, because the mean of its divisors is an integer number (1600324990).

Almost surely, 2^3200649979 is an apocalyptic number.

3200649979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3200649979 is an equidigital number, since it uses as much as digits as its factorization.

3200649979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 3200649979 is about 56574.2872602033. The cubic root of 3200649979 is about 1473.7123653313.

The spelling of 3200649979 in words is "three billion, two hundred million, six hundred forty-nine thousand, nine hundred seventy-nine".