18676943426 has 8 divisors (see below), whose sum is σ = 28919138304. Its totient is φ = 9037230660.

The previous prime is 18676943419. The next prime is 18676943431. The reversal of 18676943426 is 62434967681.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150620450 + ... + 150620573.

It is an arithmetic number, because the mean of its divisors is an integer number (3614892288).

Almost surely, 2^18676943426 is an apocalyptic number.

18676943426 is a deficient number, since it is larger than the sum of its proper divisors (10242194878).

18676943426 is a wasteful number, since it uses less digits than its factorization.

18676943426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301241056.

The product of its digits is 10450944, while the sum is 56.

The spelling of 18676943426 in words is "eighteen billion, six hundred seventy-six million, nine hundred forty-three thousand, four hundred twenty-six".