1489339993 has 2 divisors, whose sum is σ = 1489339994. Its totient is φ = 1489339992.

The previous prime is 1489339939. The next prime is 1489340033. The reversal of 1489339993 is 3999339841.

Together with previous prime (1489339939) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 922519129 + 566820864 = 30373^2 + 23808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489339993 - 2²⁵ = 1455785561 is a prime.

It is a super-2 number, since 2×1489339993² = 4436267229498480098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1489331993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744669996 + 744669997.

It is an arithmetic number, because the mean of its divisors is an integer number (744669997).

Almost surely, 2^1489339993 is an apocalyptic number.

It is an amenable number.

1489339993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489339993 is an equidigital number, since it uses as much as digits as its factorization.

1489339993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5668704, while the sum is 58.

The square root of 1489339993 is about 38591.9679855796. The cubic root of 1489339993 is about 1141.9960907134.

The spelling of 1489339993 in words is "one billion, four hundred eighty-nine million, three hundred thirty-nine thousand, nine hundred ninety-three".