18029660683 has 4 divisors (see below), whose sum is σ = 18123078808. Its totient is φ = 17936242560.

The previous prime is 18029660651. The next prime is 18029660707. The reversal of 18029660683 is 38606692081.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18029660683 - 2⁵ = 18029660651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18029660783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46708773 + ... + 46709158.

It is an arithmetic number, because the mean of its divisors is an integer number (4530769702).

Almost surely, 2^18029660683 is an apocalyptic number.

18029660683 is a deficient number, since it is larger than the sum of its proper divisors (93418125).

18029660683 is an equidigital number, since it uses as much as digits as its factorization.

18029660683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93418124.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 18029660683 in words is "eighteen billion, twenty-nine million, six hundred sixty thousand, six hundred eighty-three".