980819699 has 2 divisors, whose sum is σ = 980819700. Its totient is φ = 980819698.

The previous prime is 980819677. The next prime is 980819711. The reversal of 980819699 is 996918089.

It is a strong prime.

It is an emirp because it is prime and its reverse (996918089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 980819699 - 2²⁴ = 964042483 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (980819669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490409849 + 490409850.

It is an arithmetic number, because the mean of its divisors is an integer number (490409850).

Almost surely, 2^980819699 is an apocalyptic number.

980819699 is a deficient number, since it is larger than the sum of its proper divisors (1).

980819699 is an equidigital number, since it uses as much as digits as its factorization.

980819699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 59.

The square root of 980819699 is about 31318.0411105165. The cubic root of 980819699 is about 993.5652491270.

The spelling of 980819699 in words is "nine hundred eighty million, eight hundred nineteen thousand, six hundred ninety-nine".