40184258969 has 2 divisors, whose sum is σ = 40184258970. Its totient is φ = 40184258968.

The previous prime is 40184258911. The next prime is 40184258977. The reversal of 40184258969 is 96985248104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31608572944 + 8575686025 = 177788^2 + 92605^2 .

It is a cyclic number.

It is not a de Polignac number, because 40184258969 - 2²⁸ = 39915823513 is a prime.

It is a super-2 number, since 2×40184258969² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40184258999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20092129484 + 20092129485.

It is an arithmetic number, because the mean of its divisors is an integer number (20092129485).

Almost surely, 2^40184258969 is an apocalyptic number.

It is an amenable number.

40184258969 is a deficient number, since it is larger than the sum of its proper divisors (1).

40184258969 is an equidigital number, since it uses as much as digits as its factorization.

40184258969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 40184258969 in words is "forty billion, one hundred eighty-four million, two hundred fifty-eight thousand, nine hundred sixty-nine".