18849469103 has 2 divisors, whose sum is σ = 18849469104. Its totient is φ = 18849469102.

The previous prime is 18849469073. The next prime is 18849469123. The reversal of 18849469103 is 30196494881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18849469103 - 2¹² = 18849465007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18849469123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9424734551 + 9424734552.

It is an arithmetic number, because the mean of its divisors is an integer number (9424734552).

Almost surely, 2^18849469103 is an apocalyptic number.

18849469103 is a deficient number, since it is larger than the sum of its proper divisors (1).

18849469103 is an equidigital number, since it uses as much as digits as its factorization.

18849469103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 18849469103 in words is "eighteen billion, eight hundred forty-nine million, four hundred sixty-nine thousand, one hundred three".