40347434073643 has 2 divisors, whose sum is σ = 40347434073644. Its totient is φ = 40347434073642.

The previous prime is 40347434073601. The next prime is 40347434073659. The reversal of 40347434073643 is 34637043474304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40347434073643 - 2⁹ = 40347434073131 is a prime.

It is not a weakly prime, because it can be changed into another prime (40347434071643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20173717036821 + 20173717036822.

It is an arithmetic number, because the mean of its divisors is an integer number (20173717036822).

Almost surely, 2^{40347434073643} is an apocalyptic number.

40347434073643 is a deficient number, since it is larger than the sum of its proper divisors (1).

40347434073643 is an equidigital number, since it uses as much as digits as its factorization.

40347434073643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 52.

The spelling of 40347434073643 in words is "forty trillion, three hundred forty-seven billion, four hundred thirty-four million, seventy-three thousand, six hundred forty-three".