3489350561 has 4 divisors (see below), whose sum is σ = 3490626324. Its totient is φ = 3488074800.

The previous prime is 3489350549. The next prime is 3489350563. The reversal of 3489350561 is 1650539843.

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 2460160000 + 1029190561 = 49600^2 + 32081^2 .

It is a cyclic number.

It is not a de Polignac number, because 3489350561 - 2⁶ = 3489350497 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 (3489350563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633770 + ... + 639251.

It is an arithmetic number, because the mean of its divisors is an integer number (872656581).

Almost surely, 2^3489350561 is an apocalyptic number.

It is an amenable number.

3489350561 is a deficient number, since it is larger than the sum of its proper divisors (1275763).

3489350561 is a wasteful number, since it uses less digits than its factorization.

3489350561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275762.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 3489350561 is about 59070.7250759630. The cubic root of 3489350561 is about 1516.7530181859.

The spelling of 3489350561 in words is "three billion, four hundred eighty-nine million, three hundred fifty thousand, five hundred sixty-one".