18268999003 has 2 divisors, whose sum is σ = 18268999004. Its totient is φ = 18268999002.

The previous prime is 18268998967. The next prime is 18268999033. The reversal of 18268999003 is 30099986281.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18268999003 - 2²⁹ = 17732128091 is a prime.

It is a super-2 number, since 2×18268999003² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18268999033) 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, 9134499501 + 9134499502.

It is an arithmetic number, because the mean of its divisors is an integer number (9134499502).

Almost surely, 2^18268999003 is an apocalyptic number.

18268999003 is a deficient number, since it is larger than the sum of its proper divisors (1).

18268999003 is an equidigital number, since it uses as much as digits as its factorization.

18268999003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The spelling of 18268999003 in words is "eighteen billion, two hundred sixty-eight million, nine hundred ninety-nine thousand, three".