3200243947 has 2 divisors, whose sum is σ = 3200243948. Its totient is φ = 3200243946.

The previous prime is 3200243941. The next prime is 3200244011. The reversal of 3200243947 is 7493420023.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3200243947 - 2¹⁹ = 3199719659 is a prime.

It is a super-2 number, since 2×3200243947² = 20483122640620277618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3200243941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600121973 + 1600121974.

It is an arithmetic number, because the mean of its divisors is an integer number (1600121974).

Almost surely, 2^3200243947 is an apocalyptic number.

3200243947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3200243947 is an equidigital number, since it uses as much as digits as its factorization.

3200243947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 3200243947 is about 56570.6986610560. The cubic root of 3200243947 is about 1473.6500446893.

The spelling of 3200243947 in words is "three billion, two hundred million, two hundred forty-three thousand, nine hundred forty-seven".