10081916987 has 2 divisors, whose sum is σ = 10081916988. Its totient is φ = 10081916986.

The previous prime is 10081916983. The next prime is 10081917007. The reversal of 10081916987 is 78961918001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10081916987 - 2² = 10081916983 is a prime.

It is not a weakly prime, because it can be changed into another prime (10081916981) 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, 5040958493 + 5040958494.

It is an arithmetic number, because the mean of its divisors is an integer number (5040958494).

Almost surely, 2^10081916987 is an apocalyptic number.

10081916987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10081916987 is an equidigital number, since it uses as much as digits as its factorization.

10081916987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 50.

The spelling of 10081916987 in words is "ten billion, eighty-one million, nine hundred sixteen thousand, nine hundred eighty-seven".