18448124987 has 2 divisors, whose sum is σ = 18448124988. Its totient is φ = 18448124986.

The previous prime is 18448124941. The next prime is 18448125041. The reversal of 18448124987 is 78942184481.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18448124987 - 2¹⁶ = 18448059451 is a prime.

It is not a weakly prime, because it can be changed into another prime (18448124687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9224062493 + 9224062494.

It is an arithmetic number, because the mean of its divisors is an integer number (9224062494).

Almost surely, 2^18448124987 is an apocalyptic number.

18448124987 is a deficient number, since it is larger than the sum of its proper divisors (1).

18448124987 is an equidigital number, since it uses as much as digits as its factorization.

18448124987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4128768, while the sum is 56.

The spelling of 18448124987 in words is "eighteen billion, four hundred forty-eight million, one hundred twenty-four thousand, nine hundred eighty-seven".