980974789 has 2 divisors, whose sum is σ = 980974790. Its totient is φ = 980974788.

The previous prime is 980974739. The next prime is 980974801. The reversal of 980974789 is 987479089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 807525889 + 173448900 = 28417^2 + 13170^2 .

It is a cyclic number.

It is not a de Polignac number, because 980974789 - 2²¹ = 978877637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980974739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490487394 + 490487395.

It is an arithmetic number, because the mean of its divisors is an integer number (490487395).

Almost surely, 2^980974789 is an apocalyptic number.

It is an amenable number.

980974789 is a deficient number, since it is larger than the sum of its proper divisors (1).

980974789 is an equidigital number, since it uses as much as digits as its factorization.

980974789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 61.

The square root of 980974789 is about 31320.5170615046. The cubic root of 980974789 is about 993.6176148212.

The spelling of 980974789 in words is "nine hundred eighty million, nine hundred seventy-four thousand, seven hundred eighty-nine".