1489864933 has 2 divisors, whose sum is σ = 1489864934. Its totient is φ = 1489864932.

The previous prime is 1489864919. The next prime is 1489864939. The reversal of 1489864933 is 3394689841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1373591844 + 116273089 = 37062^2 + 10783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489864933 - 2²⁵ = 1456310501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1489864939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744932466 + 744932467.

It is an arithmetic number, because the mean of its divisors is an integer number (744932467).

Almost surely, 2^1489864933 is an apocalyptic number.

It is an amenable number.

1489864933 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489864933 is an equidigital number, since it uses as much as digits as its factorization.

1489864933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 55.

The square root of 1489864933 is about 38598.7685425325. The cubic root of 1489864933 is about 1142.1302461140.

The spelling of 1489864933 in words is "one billion, four hundred eighty-nine million, eight hundred sixty-four thousand, nine hundred thirty-three".