40743633634699 has 2 divisors, whose sum is σ = 40743633634700. Its totient is φ = 40743633634698.

The previous prime is 40743633634687. The next prime is 40743633634723. The reversal of 40743633634699 is 99643633634704.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40743633634699 is a prime.

It is not a weakly prime, because it can be changed into another prime (40743633637699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20371816817349 + 20371816817350.

It is an arithmetic number, because the mean of its divisors is an integer number (20371816817350).

Almost surely, 2^{40743633634699} is an apocalyptic number.

40743633634699 is a deficient number, since it is larger than the sum of its proper divisors (1).

40743633634699 is an equidigital number, since it uses as much as digits as its factorization.

40743633634699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 634894848, while the sum is 67.

The spelling of 40743633634699 in words is "forty trillion, seven hundred forty-three billion, six hundred thirty-three million, six hundred thirty-four thousand, six hundred ninety-nine".