20242015489 has 2 divisors, whose sum is σ = 20242015490. Its totient is φ = 20242015488.

The previous prime is 20242015487. The next prime is 20242015543. The reversal of 20242015489 is 98451024202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20216005489 + 26010000 = 142183^2 + 5100^2 .

It is a cyclic number.

It is not a de Polignac number, because 20242015489 - 2¹ = 20242015487 is a prime.

Together with 20242015487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20242015483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121007744 + 10121007745.

It is an arithmetic number, because the mean of its divisors is an integer number (10121007745).

Almost surely, 2^20242015489 is an apocalyptic number.

It is an amenable number.

20242015489 is a deficient number, since it is larger than the sum of its proper divisors (1).

20242015489 is an equidigital number, since it uses as much as digits as its factorization.

20242015489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 20242015489 in words is "twenty billion, two hundred forty-two million, fifteen thousand, four hundred eighty-nine".