980722489 has 2 divisors, whose sum is σ = 980722490. Its totient is φ = 980722488.

The previous prime is 980722453. The next prime is 980722531. The reversal of 980722489 is 984227089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 684607225 + 296115264 = 26165^2 + 17208^2 .

It is a cyclic number.

It is not a de Polignac number, because 980722489 - 2¹¹ = 980720441 is a prime.

It is not a weakly prime, because it can be changed into another prime (980722409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490361244 + 490361245.

It is an arithmetic number, because the mean of its divisors is an integer number (490361245).

Almost surely, 2^980722489 is an apocalyptic number.

It is an amenable number.

980722489 is a deficient number, since it is larger than the sum of its proper divisors (1).

980722489 is an equidigital number, since it uses as much as digits as its factorization.

980722489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 980722489 is about 31316.4890912120. The cubic root of 980722489 is about 993.5324236345.

The spelling of 980722489 in words is "nine hundred eighty million, seven hundred twenty-two thousand, four hundred eighty-nine".