980584849 has 2 divisors, whose sum is σ = 980584850. Its totient is φ = 980584848.

The previous prime is 980584807. The next prime is 980584873. The reversal of 980584849 is 948485089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 860835600 + 119749249 = 29340^2 + 10943^2 .

It is a cyclic number.

It is not a de Polignac number, because 980584849 - 2⁷ = 980584721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 980584849.

It is not a weakly prime, because it can be changed into another prime (980584879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490292424 + 490292425.

It is an arithmetic number, because the mean of its divisors is an integer number (490292425).

Almost surely, 2^980584849 is an apocalyptic number.

It is an amenable number.

980584849 is a deficient number, since it is larger than the sum of its proper divisors (1).

980584849 is an equidigital number, since it uses as much as digits as its factorization.

980584849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 55.

The square root of 980584849 is about 31314.2914497518. The cubic root of 980584849 is about 993.4859421877.

The spelling of 980584849 in words is "nine hundred eighty million, five hundred eighty-four thousand, eight hundred forty-nine".