8302489889 has 2 divisors, whose sum is σ = 8302489890. Its totient is φ = 8302489888.

The previous prime is 8302489861. The next prime is 8302489931. The reversal of 8302489889 is 9889842038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5513805025 + 2788684864 = 74255^2 + 52808^2 .

It is a cyclic number.

It is not a de Polignac number, because 8302489889 - 2¹⁶ = 8302424353 is a prime.

It is not a weakly prime, because it can be changed into another prime (8302489849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4151244944 + 4151244945.

It is an arithmetic number, because the mean of its divisors is an integer number (4151244945).

Almost surely, 2^8302489889 is an apocalyptic number.

It is an amenable number.

8302489889 is a deficient number, since it is larger than the sum of its proper divisors (1).

8302489889 is an equidigital number, since it uses as much as digits as its factorization.

8302489889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7962624, while the sum is 59.

The square root of 8302489889 is about 91117.9998079414. Note that the first 3 decimals coincide. The cubic root of 8302489889 is about 2024.8962921232.

The spelling of 8302489889 in words is "eight billion, three hundred two million, four hundred eighty-nine thousand, eight hundred eighty-nine".