40693743967 has 2 divisors, whose sum is σ = 40693743968. Its totient is φ = 40693743966.

The previous prime is 40693743949. The next prime is 40693743997. The reversal of 40693743967 is 76934739604.

40693743967 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40693743967 - 2¹⁵ = 40693711199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40693743997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20346871983 + 20346871984.

It is an arithmetic number, because the mean of its divisors is an integer number (20346871984).

Almost surely, 2^40693743967 is an apocalyptic number.

40693743967 is a deficient number, since it is larger than the sum of its proper divisors (1).

40693743967 is an equidigital number, since it uses as much as digits as its factorization.

40693743967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20575296, while the sum is 58.

The spelling of 40693743967 in words is "forty billion, six hundred ninety-three million, seven hundred forty-three thousand, nine hundred sixty-seven".