3648440843 has 2 divisors, whose sum is σ = 3648440844. Its totient is φ = 3648440842.

The previous prime is 3648440821. The next prime is 3648440881. The reversal of 3648440843 is 3480448463.

It is a weak prime.

It is an emirp because it is prime and its reverse (3480448463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3648440843 - 2¹⁴ = 3648424459 is a prime.

It is a super-2 number, since 2×3648440843² = 26622241169741101298, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 3648440794 and 3648440803.

It is not a weakly prime, because it can be changed into another prime (3648442843) 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, 1824220421 + 1824220422.

It is an arithmetic number, because the mean of its divisors is an integer number (1824220422).

Almost surely, 2^3648440843 is an apocalyptic number.

3648440843 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648440843 is an equidigital number, since it uses as much as digits as its factorization.

3648440843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 44.

The square root of 3648440843 is about 60402.3248145301. The cubic root of 3648440843 is about 1539.4624596908.

The spelling of 3648440843 in words is "three billion, six hundred forty-eight million, four hundred forty thousand, eight hundred forty-three".