10243418987 has 2 divisors, whose sum is σ = 10243418988. Its totient is φ = 10243418986.

The previous prime is 10243418953. The next prime is 10243418993. The reversal of 10243418987 is 78981434201.

10243418987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (78981434201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10243418987 - 2¹⁸ = 10243156843 is a prime.

It is not a weakly prime, because it can be changed into another prime (10243418387) 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, 5121709493 + 5121709494.

It is an arithmetic number, because the mean of its divisors is an integer number (5121709494).

Almost surely, 2^10243418987 is an apocalyptic number.

10243418987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10243418987 is an equidigital number, since it uses as much as digits as its factorization.

10243418987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 10243418987 in words is "ten billion, two hundred forty-three million, four hundred eighteen thousand, nine hundred eighty-seven".