40734266220643 has 2 divisors, whose sum is σ = 40734266220644. Its totient is φ = 40734266220642.

The previous prime is 40734266220623. The next prime is 40734266220773. The reversal of 40734266220643 is 34602266243704.

40734266220643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40734266220643 is a prime.

It is not a weakly prime, because it can be changed into another prime (40734266220623) 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, 20367133110321 + 20367133110322.

It is an arithmetic number, because the mean of its divisors is an integer number (20367133110322).

Almost surely, 2^{40734266220643} is an apocalyptic number.

40734266220643 is a deficient number, since it is larger than the sum of its proper divisors (1).

40734266220643 is an equidigital number, since it uses as much as digits as its factorization.

40734266220643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 49.

The spelling of 40734266220643 in words is "forty trillion, seven hundred thirty-four billion, two hundred sixty-six million, two hundred twenty thousand, six hundred forty-three".