18490834705 has 32 divisors (see below), whose sum is σ = 27024482304. Its totient is φ = 11870079936.

The previous prime is 18490834697. The next prime is 18490834711. The reversal of 18490834705 is 50743809481.

It is not a de Polignac number, because 18490834705 - 2³ = 18490834697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 206527 + ... + 282196.

It is an arithmetic number, because the mean of its divisors is an integer number (844515072).

Almost surely, 2^18490834705 is an apocalyptic number.

It is an amenable number.

18490834705 is a deficient number, since it is larger than the sum of its proper divisors (8533647599).

18490834705 is a wasteful number, since it uses less digits than its factorization.

18490834705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488805.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 18490834705 in words is "eighteen billion, four hundred ninety million, eight hundred thirty-four thousand, seven hundred five".