282828257993 has 4 divisors (see below), whose sum is σ = 282830149140. Its totient is φ = 282826366848.

The previous prime is 282828257977. The next prime is 282828258019. The reversal of 282828257993 is 399752828282.

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

It can be written as a sum of positive squares in 2 ways, for example, as 105968478784 + 176859779209 = 325528^2 + 420547^2 .

It is a cyclic number.

It is not a de Polignac number, because 282828257993 - 2⁴ = 282828257977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (282828253993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699980 + ... + 1027437.

It is an arithmetic number, because the mean of its divisors is an integer number (70707537285).

Almost surely, 2^282828257993 is an apocalyptic number.

It is an amenable number.

282828257993 is a deficient number, since it is larger than the sum of its proper divisors (1891147).

282828257993 is a wasteful number, since it uses less digits than its factorization.

282828257993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891146.

The product of its digits is 69672960, while the sum is 65.

The spelling of 282828257993 in words is "two hundred eighty-two billion, eight hundred twenty-eight million, two hundred fifty-seven thousand, nine hundred ninety-three".