43648256683 has 2 divisors, whose sum is σ = 43648256684. Its totient is φ = 43648256682.

The previous prime is 43648256633. The next prime is 43648256759. The reversal of 43648256683 is 38665284634.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43648256683 is a prime.

It is a super-2 number, since 2×43648256683² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43648256633) 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, 21824128341 + 21824128342.

It is an arithmetic number, because the mean of its divisors is an integer number (21824128342).

Almost surely, 2^43648256683 is an apocalyptic number.

43648256683 is a deficient number, since it is larger than the sum of its proper divisors (1).

43648256683 is an equidigital number, since it uses as much as digits as its factorization.

43648256683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19906560, while the sum is 55.

The spelling of 43648256683 in words is "forty-three billion, six hundred forty-eight million, two hundred fifty-six thousand, six hundred eighty-three".