18852105403 has 2 divisors, whose sum is σ = 18852105404. Its totient is φ = 18852105402.

The previous prime is 18852105379. The next prime is 18852105439. The reversal of 18852105403 is 30450125881.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18852105403 - 2⁹ = 18852104891 is a prime.

It is not a weakly prime, because it can be changed into another prime (18852105473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9426052701 + 9426052702.

It is an arithmetic number, because the mean of its divisors is an integer number (9426052702).

Almost surely, 2^18852105403 is an apocalyptic number.

18852105403 is a deficient number, since it is larger than the sum of its proper divisors (1).

18852105403 is an equidigital number, since it uses as much as digits as its factorization.

18852105403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 18852105403 in words is "eighteen billion, eight hundred fifty-two million, one hundred five thousand, four hundred three".