36843323918 has 4 divisors (see below), whose sum is σ = 55264985880. Its totient is φ = 18421661958.

The previous prime is 36843323879. The next prime is 36843323977. The reversal of 36843323918 is 81932334863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81932334863 = 116341 ⋅704243.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9210830978 + ... + 9210830981.

It is an arithmetic number, because the mean of its divisors is an integer number (13816246470).

Almost surely, 2^36843323918 is an apocalyptic number.

36843323918 is a deficient number, since it is larger than the sum of its proper divisors (18421661962).

36843323918 is a wasteful number, since it uses less digits than its factorization.

36843323918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18421661961.

The product of its digits is 2239488, while the sum is 50.

The spelling of 36843323918 in words is "thirty-six billion, eight hundred forty-three million, three hundred twenty-three thousand, nine hundred eighteen".