28636018046518 has 4 divisors (see below), whose sum is σ = 42954027069780. Its totient is φ = 14318009023258.

The previous prime is 28636018046501. The next prime is 28636018046557. The reversal of 28636018046518 is 81564081063682.

It is a happy number.

It is a semiprime because it is the product of two primes.

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, 7159004511628 + ... + 7159004511631.

It is an arithmetic number, because the mean of its divisors is an integer number (10738506767445).

Almost surely, 2^{28636018046518} is an apocalyptic number.

28636018046518 is a deficient number, since it is larger than the sum of its proper divisors (14318009023262).

28636018046518 is a wasteful number, since it uses less digits than its factorization.

28636018046518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14318009023261.

The product of its (nonzero) digits is 13271040, while the sum is 58.

The spelling of 28636018046518 in words is "twenty-eight trillion, six hundred thirty-six billion, eighteen million, forty-six thousand, five hundred eighteen".