40003673767697 has 2 divisors, whose sum is σ = 40003673767698. Its totient is φ = 40003673767696.

The previous prime is 40003673767669. The next prime is 40003673767703. The reversal of 40003673767697 is 79676737630004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38839020553216 + 1164653214481 = 6232096^2 + 1079191^2 .

It is a cyclic number.

It is not a de Polignac number, because 40003673767697 - 2⁴² = 35605627256593 is a prime.

It is not a weakly prime, because it can be changed into another prime (40003673467697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001836883848 + 20001836883849.

It is an arithmetic number, because the mean of its divisors is an integer number (20001836883849).

Almost surely, 2^{40003673767697} is an apocalyptic number.

It is an amenable number.

40003673767697 is a deficient number, since it is larger than the sum of its proper divisors (1).

40003673767697 is an equidigital number, since it uses as much as digits as its factorization.

40003673767697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168031584, while the sum is 65.

The spelling of 40003673767697 in words is "forty trillion, three billion, six hundred seventy-three million, seven hundred sixty-seven thousand, six hundred ninety-seven".