5728123572818 has 8 divisors (see below), whose sum is σ = 8600503063548. Its totient is φ = 2861289218304.

The previous prime is 5728123572791. The next prime is 5728123572823. The reversal of 5728123572818 is 8182753218275.

It can be written as a sum of positive squares in 2 ways, for example, as 5327311761409 + 400811811409 = 2308097^2 + 633097^2 .

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

It is a super-2 number, since 2×5728123572818² (a number of 26 digits) contains 22 as substring.

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, 1386281471 + ... + 1386285602.

Almost surely, 2^{5728123572818} is an apocalyptic number.

5728123572818 is a deficient number, since it is larger than the sum of its proper divisors (2872379490730).

5728123572818 is a wasteful number, since it uses less digits than its factorization.

5728123572818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772568108.

The product of its digits is 15052800, while the sum is 59.

The spelling of 5728123572818 in words is "five trillion, seven hundred twenty-eight billion, one hundred twenty-three million, five hundred seventy-two thousand, eight hundred eighteen".