40674000691 has 2 divisors, whose sum is σ = 40674000692. Its totient is φ = 40674000690.

The previous prime is 40674000673. The next prime is 40674000707. The reversal of 40674000691 is 19600047604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40674000691 - 2⁹ = 40674000179 is a prime.

It is a super-2 number, since 2×40674000691² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40674000691.

It is not a weakly prime, because it can be changed into another prime (40674000611) 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, 20337000345 + 20337000346.

It is an arithmetic number, because the mean of its divisors is an integer number (20337000346).

Almost surely, 2^40674000691 is an apocalyptic number.

40674000691 is a deficient number, since it is larger than the sum of its proper divisors (1).

40674000691 is an equidigital number, since it uses as much as digits as its factorization.

40674000691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 40674000691 in words is "forty billion, six hundred seventy-four million, six hundred ninety-one", and thus it is an aban number.