18945835358 has 8 divisors (see below), whose sum is σ = 28419407280. Its totient is φ = 9472699600.

The previous prime is 18945835357. The next prime is 18945835361. The reversal of 18945835358 is 85353854981.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 18945835297 and 18945835306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18945835357) 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, 40658 + ... + 198858.

It is an arithmetic number, because the mean of its divisors is an integer number (3552425910).

Almost surely, 2^18945835358 is an apocalyptic number.

18945835358 is a deficient number, since it is larger than the sum of its proper divisors (9473571922).

18945835358 is a wasteful number, since it uses less digits than its factorization.

18945835358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218082.

The product of its digits is 20736000, while the sum is 59.

The spelling of 18945835358 in words is "eighteen billion, nine hundred forty-five million, eight hundred thirty-five thousand, three hundred fifty-eight".