28452697709918 has 8 divisors (see below), whose sum is σ = 42862218439248. Its totient is φ = 14165291563504.

The previous prime is 28452697709869. The next prime is 28452697709921. The reversal of 28452697709918 is 81990779625482.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30528645146 + ... + 30528646077.

It is an arithmetic number, because the mean of its divisors is an integer number (5357777304906).

Almost surely, 2^{28452697709918} is an apocalyptic number.

28452697709918 is a deficient number, since it is larger than the sum of its proper divisors (14409520729330).

28452697709918 is a wasteful number, since it uses less digits than its factorization.

28452697709918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61057291458.

The product of its (nonzero) digits is 1097349120, while the sum is 77.

The spelling of 28452697709918 in words is "twenty-eight trillion, four hundred fifty-two billion, six hundred ninety-seven million, seven hundred nine thousand, nine hundred eighteen".