1980430224529 has 2 divisors, whose sum is σ = 1980430224530. Its totient is φ = 1980430224528.

The previous prime is 1980430224527. The next prime is 1980430224587. The reversal of 1980430224529 is 9254220340891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1909965460225 + 70464764304 = 1382015^2 + 265452^2 .

It is a cyclic number.

It is not a de Polignac number, because 1980430224529 - 2¹ = 1980430224527 is a prime.

Together with 1980430224527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1980430224527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990215112264 + 990215112265.

It is an arithmetic number, because the mean of its divisors is an integer number (990215112265).

Almost surely, 2^{1980430224529} is an apocalyptic number.

It is an amenable number.

1980430224529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1980430224529 is an equidigital number, since it uses as much as digits as its factorization.

1980430224529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 1980430224529 in words is "one trillion, nine hundred eighty billion, four hundred thirty million, two hundred twenty-four thousand, five hundred twenty-nine".