40003673767643 has 2 divisors, whose sum is σ = 40003673767644. Its totient is φ = 40003673767642.

The previous prime is 40003673767579. The next prime is 40003673767669. The reversal of 40003673767643 is 34676737630004.

40003673767643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40003673767643 - 2⁶ = 40003673767579 is a prime.

It is not a weakly prime, because it can be changed into another prime (40003673757643) 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, 20001836883821 + 20001836883822.

It is an arithmetic number, because the mean of its divisors is an integer number (20001836883822).

Almost surely, 2^{40003673767643} is an apocalyptic number.

40003673767643 is a deficient number, since it is larger than the sum of its proper divisors (1).

40003673767643 is an equidigital number, since it uses as much as digits as its factorization.

40003673767643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32006016, while the sum is 56.

The spelling of 40003673767643 in words is "forty trillion, three billion, six hundred seventy-three million, seven hundred sixty-seven thousand, six hundred forty-three".