18343211042 has 32 divisors (see below), whose sum is σ = 30332558592. Its totient is φ = 8266593024.

The previous prime is 18343211039. The next prime is 18343211083. The reversal of 18343211042 is 24011234381.

It is a junction number, because it is equal to n+sod(n) for n = 18343210996 and 18343211014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511793 + ... + 546459.

It is an arithmetic number, because the mean of its divisors is an integer number (947892456).

Almost surely, 2^18343211042 is an apocalyptic number.

18343211042 is a deficient number, since it is larger than the sum of its proper divisors (11989347550).

18343211042 is a wasteful number, since it uses less digits than its factorization.

18343211042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35162.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 18343211042 in words is "eighteen billion, three hundred forty-three million, two hundred eleven thousand, forty-two".