1352404489 has 2 divisors, whose sum is σ = 1352404490. Its totient is φ = 1352404488.

The previous prime is 1352404423. The next prime is 1352404499. The reversal of 1352404489 is 9844042531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1158721600 + 193682889 = 34040^2 + 13917^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352404489 - 2²¹ = 1350307337 is a prime.

It is a super-2 number, since 2×1352404489² = 3657995803734702242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1352404499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676202244 + 676202245.

It is an arithmetic number, because the mean of its divisors is an integer number (676202245).

Almost surely, 2^1352404489 is an apocalyptic number.

It is an amenable number.

1352404489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352404489 is an equidigital number, since it uses as much as digits as its factorization.

1352404489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1352404489 is about 36775.0525356525. The cubic root of 1352404489 is about 1105.8652243537.

The spelling of 1352404489 in words is "one billion, three hundred fifty-two million, four hundred four thousand, four hundred eighty-nine".