18349831006 has 8 divisors (see below), whose sum is σ = 29642034744. Its totient is φ = 8469152760.

The previous prime is 18349830979. The next prime is 18349831007. The reversal of 18349831006 is 60013894381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18349831007) 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, 352881340 + ... + 352881391.

It is an arithmetic number, because the mean of its divisors is an integer number (3705254343).

Almost surely, 2^18349831006 is an apocalyptic number.

18349831006 is a deficient number, since it is larger than the sum of its proper divisors (11292203738).

18349831006 is a wasteful number, since it uses less digits than its factorization.

18349831006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705762746.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 18349831006 in words is "eighteen billion, three hundred forty-nine million, eight hundred thirty-one thousand, six".