2028735889570 has 32 divisors (see below), whose sum is σ = 3935901256560. Its totient is φ = 748447948800.

The previous prime is 2028735889549. The next prime is 2028735889627. The reversal of 2028735889570 is 759885378202.

It is a Cunningham number, because it is equal to 1424337²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 300107848041 + 1728628041529 = 547821^2 + 1314773^2 .

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6340815 + ... + 6653074.

Almost surely, 2^{2028735889570} is an apocalyptic number.

2028735889570 is a deficient number, since it is larger than the sum of its proper divisors (1907165366990).

2028735889570 is a wasteful number, since it uses less digits than its factorization.

2028735889570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12995110.

The product of its (nonzero) digits is 67737600, while the sum is 64.

The spelling of 2028735889570 in words is "two trillion, twenty-eight billion, seven hundred thirty-five million, eight hundred eighty-nine thousand, five hundred seventy".