3678995443 has 2 divisors, whose sum is σ = 3678995444. Its totient is φ = 3678995442.

The previous prime is 3678995389. The next prime is 3678995503. The reversal of 3678995443 is 3445998763.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3678995443 is a prime.

It is a super-2 number, since 2×3678995443² = 27070014939229532498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3678990443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839497721 + 1839497722.

It is an arithmetic number, because the mean of its divisors is an integer number (1839497722).

Almost surely, 2^3678995443 is an apocalyptic number.

3678995443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678995443 is an equidigital number, since it uses as much as digits as its factorization.

3678995443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 58.

The square root of 3678995443 is about 60654.7231714069. The cubic root of 3678995443 is about 1543.7480308388.

The spelling of 3678995443 in words is "three billion, six hundred seventy-eight million, nine hundred ninety-five thousand, four hundred forty-three".