1489133993 has 2 divisors, whose sum is σ = 1489133994. Its totient is φ = 1489133992.

The previous prime is 1489133969. The next prime is 1489134029. The reversal of 1489133993 is 3993319841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 909143104 + 579990889 = 30152^2 + 24083^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489133993 - 2²² = 1484939689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1489133953) 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, 744566996 + 744566997.

It is an arithmetic number, because the mean of its divisors is an integer number (744566997).

Almost surely, 2^1489133993 is an apocalyptic number.

It is an amenable number.

1489133993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489133993 is an equidigital number, since it uses as much as digits as its factorization.

1489133993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 50.

The square root of 1489133993 is about 38589.2989441374. The cubic root of 1489133993 is about 1141.9434360604.

It can be divided in two parts, 14891 and 33993, that added together give a palindrome (48884).

The spelling of 1489133993 in words is "one billion, four hundred eighty-nine million, one hundred thirty-three thousand, nine hundred ninety-three".