40671186863 has 2 divisors, whose sum is σ = 40671186864. Its totient is φ = 40671186862.

The previous prime is 40671186821. The next prime is 40671186883. The reversal of 40671186863 is 36868117604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40671186863 - 2¹⁸ = 40670924719 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40671186883) 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, 20335593431 + 20335593432.

It is an arithmetic number, because the mean of its divisors is an integer number (20335593432).

Almost surely, 2^40671186863 is an apocalyptic number.

40671186863 is a deficient number, since it is larger than the sum of its proper divisors (1).

40671186863 is an equidigital number, since it uses as much as digits as its factorization.

40671186863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 40671186863 in words is "forty billion, six hundred seventy-one million, one hundred eighty-six thousand, eight hundred sixty-three".