40863877009 has 2 divisors, whose sum is σ = 40863877010. Its totient is φ = 40863877008.

The previous prime is 40863876979. The next prime is 40863877013. The reversal of 40863877009 is 90077836804.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36029734225 + 4834142784 = 189815^2 + 69528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40863877009 is a prime.

It is not a weakly prime, because it can be changed into another prime (40863877039) 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, 20431938504 + 20431938505.

It is an arithmetic number, because the mean of its divisors is an integer number (20431938505).

Almost surely, 2^40863877009 is an apocalyptic number.

It is an amenable number.

40863877009 is a deficient number, since it is larger than the sum of its proper divisors (1).

40863877009 is an equidigital number, since it uses as much as digits as its factorization.

40863877009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 40863877009 in words is "forty billion, eight hundred sixty-three million, eight hundred seventy-seven thousand, nine".