40634705743 has 2 divisors, whose sum is σ = 40634705744. Its totient is φ = 40634705742.

The previous prime is 40634705707. The next prime is 40634705747. The reversal of 40634705743 is 34750743604.

40634705743 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 40634705743 - 2²⁹ = 40097834831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40634705743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40634705747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20317352871 + 20317352872.

It is an arithmetic number, because the mean of its divisors is an integer number (20317352872).

Almost surely, 2^40634705743 is an apocalyptic number.

40634705743 is a deficient number, since it is larger than the sum of its proper divisors (1).

40634705743 is an equidigital number, since it uses as much as digits as its factorization.

40634705743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 40634705743 in words is "forty billion, six hundred thirty-four million, seven hundred five thousand, seven hundred forty-three".