743466501276643 has 2 divisors, whose sum is σ = 743466501276644. Its totient is φ = 743466501276642.

The previous prime is 743466501276563. The next prime is 743466501276761. The reversal of 743466501276643 is 346672105664347.

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-743466501276643 is a prime.

It is not a weakly prime, because it can be changed into another prime (743466501276943) 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, 371733250638321 + 371733250638322.

It is an arithmetic number, because the mean of its divisors is an integer number (371733250638322).

Almost surely, 2^{743466501276643} is an apocalyptic number.

743466501276643 is a deficient number, since it is larger than the sum of its proper divisors (1).

743466501276643 is an equidigital number, since it uses as much as digits as its factorization.

743466501276643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 365783040, while the sum is 64.

The spelling of 743466501276643 in words is "seven hundred forty-three trillion, four hundred sixty-six billion, five hundred one million, two hundred seventy-six thousand, six hundred forty-three".