18429048193 has 2 divisors, whose sum is σ = 18429048194. Its totient is φ = 18429048192.

The previous prime is 18429048181. The next prime is 18429048199. The reversal of 18429048193 is 39184092481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15841494769 + 2587553424 = 125863^2 + 50868^2 .

It is a cyclic number.

It is not a de Polignac number, because 18429048193 - 2²¹ = 18426951041 is a prime.

It is not a weakly prime, because it can be changed into another prime (18429048199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9214524096 + 9214524097.

It is an arithmetic number, because the mean of its divisors is an integer number (9214524097).

Almost surely, 2^18429048193 is an apocalyptic number.

It is an amenable number.

18429048193 is a deficient number, since it is larger than the sum of its proper divisors (1).

18429048193 is an equidigital number, since it uses as much as digits as its factorization.

18429048193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 18429048193 in words is "eighteen billion, four hundred twenty-nine million, forty-eight thousand, one hundred ninety-three".