40652261867713 has 2 divisors, whose sum is σ = 40652261867714. Its totient is φ = 40652261867712.

The previous prime is 40652261867641. The next prime is 40652261867731. The reversal of 40652261867713 is 31776816225604.

Together with next prime (40652261867731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37165702791424 + 3486559076289 = 6096368^2 + 1867233^2 .

It is a cyclic number.

It is not a de Polignac number, because 40652261867713 - 2²¹ = 40652259770561 is a prime.

It is a super-2 number, since 2×40652261867713² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40652261867743) 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, 20326130933856 + 20326130933857.

It is an arithmetic number, because the mean of its divisors is an integer number (20326130933857).

Almost surely, 2^{40652261867713} is an apocalyptic number.

It is an amenable number.

40652261867713 is a deficient number, since it is larger than the sum of its proper divisors (1).

40652261867713 is an equidigital number, since it uses as much as digits as its factorization.

40652261867713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 40652261867713 in words is "forty trillion, six hundred fifty-two billion, two hundred sixty-one million, eight hundred sixty-seven thousand, seven hundred thirteen".