18393849302 has 8 divisors (see below), whose sum is σ = 27591359016. Its totient is φ = 9196729632.

The previous prime is 18393849281. The next prime is 18393849319. The reversal of 18393849302 is 20394839381.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102158 + ... + 217310.

It is an arithmetic number, because the mean of its divisors is an integer number (3448919877).

Almost surely, 2^18393849302 is an apocalyptic number.

18393849302 is a deficient number, since it is larger than the sum of its proper divisors (9197509714).

18393849302 is a wasteful number, since it uses less digits than its factorization.

18393849302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195022.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 18393849302 in words is "eighteen billion, three hundred ninety-three million, eight hundred forty-nine thousand, three hundred two".