1349033489 has 4 divisors (see below), whose sum is σ = 1353903924. Its totient is φ = 1344163056.

The previous prime is 1349033473. The next prime is 1349033507. The reversal of 1349033489 is 9843309431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 920212225 + 428821264 = 30335^2 + 20708^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349033489 - 2⁴ = 1349033473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1349033989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2434802 + ... + 2435355.

It is an arithmetic number, because the mean of its divisors is an integer number (338475981).

Almost surely, 2^1349033489 is an apocalyptic number.

It is an amenable number.

1349033489 is a deficient number, since it is larger than the sum of its proper divisors (4870435).

1349033489 is an equidigital number, since it uses as much as digits as its factorization.

1349033489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4870434.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 1349033489 is about 36729.1912380330. The cubic root of 1349033489 is about 1104.9456342560.

The spelling of 1349033489 in words is "one billion, three hundred forty-nine million, thirty-three thousand, four hundred eighty-nine".