2823989897 has 2 divisors, whose sum is σ = 2823989898. Its totient is φ = 2823989896.

The previous prime is 2823989881. The next prime is 2823989911. The reversal of 2823989897 is 7989893282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1669621321 + 1154368576 = 40861^2 + 33976^2 .

It is a cyclic number.

It is not a de Polignac number, because 2823989897 - 2⁴ = 2823989881 is a prime.

It is not a weakly prime, because it can be changed into another prime (2823989807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1411994948 + 1411994949.

It is an arithmetic number, because the mean of its divisors is an integer number (1411994949).

Almost surely, 2^2823989897 is an apocalyptic number.

It is an amenable number.

2823989897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2823989897 is an equidigital number, since it uses as much as digits as its factorization.

2823989897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 65.

The square root of 2823989897 is about 53141.2259644055. The cubic root of 2823989897 is about 1413.4736373497.

The spelling of 2823989897 in words is "two billion, eight hundred twenty-three million, nine hundred eighty-nine thousand, eight hundred ninety-seven".