40965188947 has 2 divisors, whose sum is σ = 40965188948. Its totient is φ = 40965188946.

The previous prime is 40965188923. The next prime is 40965188987. The reversal of 40965188947 is 74988156904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40965188947 - 2⁷ = 40965188819 is a prime.

It is not a weakly prime, because it can be changed into another prime (40965188987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20482594473 + 20482594474.

It is an arithmetic number, because the mean of its divisors is an integer number (20482594474).

Almost surely, 2^40965188947 is an apocalyptic number.

40965188947 is a deficient number, since it is larger than the sum of its proper divisors (1).

40965188947 is an equidigital number, since it uses as much as digits as its factorization.

40965188947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 40965188947 in words is "forty billion, nine hundred sixty-five million, one hundred eighty-eight thousand, nine hundred forty-seven".