28033707370049 has 16 divisors (see below), whose sum is σ = 28271678449872. Its totient is φ = 27796783177728.

The previous prime is 28033707369931. The next prime is 28033707370057. The reversal of 28033707370049 is 94007370733082.

It can be written as a sum of positive squares in 8 ways, for example, as 2144080775824 + 25889626594225 = 1464268^2 + 5088185^2 .

It is a cyclic number.

It is not a de Polignac number, because 28033707370049 - 2¹² = 28033707365953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28033707390049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119168267 + ... + 119403279.

It is an arithmetic number, because the mean of its divisors is an integer number (1766979903117).

Almost surely, 2^{28033707370049} is an apocalyptic number.

It is an amenable number.

28033707370049 is a deficient number, since it is larger than the sum of its proper divisors (237971079823).

28033707370049 is a wasteful number, since it uses less digits than its factorization.

28033707370049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237236.

The product of its (nonzero) digits is 5334336, while the sum is 53.

The spelling of 28033707370049 in words is "twenty-eight trillion, thirty-three billion, seven hundred seven million, three hundred seventy thousand, forty-nine".