1489356313 has 2 divisors, whose sum is σ = 1489356314. Its totient is φ = 1489356312.

The previous prime is 1489356289. The next prime is 1489356317. The reversal of 1489356313 is 3136539841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 845820889 + 643535424 = 29083^2 + 25368^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489356313 - 2⁹ = 1489355801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1489356313.

It is not a weakly prime, because it can be changed into another prime (1489356317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744678156 + 744678157.

It is an arithmetic number, because the mean of its divisors is an integer number (744678157).

Almost surely, 2^1489356313 is an apocalyptic number.

It is an amenable number.

1489356313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489356313 is an equidigital number, since it uses as much as digits as its factorization.

1489356313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 43.

The square root of 1489356313 is about 38592.1794279618. The cubic root of 1489356313 is about 1142.0002619813. Note that the first 3 decimals are identical.

The spelling of 1489356313 in words is "one billion, four hundred eighty-nine million, three hundred fifty-six thousand, three hundred thirteen".