3064569661 has 4 divisors (see below), whose sum is σ = 3065233500. Its totient is φ = 3063905824.

The previous prime is 3064569653. The next prime is 3064569701. The reversal of 3064569661 is 1669654603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1669654603 = 41 ⋅40723283.

It can be written as a sum of positive squares in 2 ways, for example, as 2651220100 + 413349561 = 51490^2 + 20331^2 .

It is a cyclic number.

It is not a de Polignac number, because 3064569661 - 2³ = 3064569653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3064569601) 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, 324946 + ... + 334243.

It is an arithmetic number, because the mean of its divisors is an integer number (766308375).

Almost surely, 2^3064569661 is an apocalyptic number.

It is an amenable number.

3064569661 is a deficient number, since it is larger than the sum of its proper divisors (663839).

3064569661 is an equidigital number, since it uses as much as digits as its factorization.

3064569661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663838.

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 3064569661 is about 55358.5554453871. Note that the first 3 decimals coincide. The cubic root of 3064569661 is about 1452.5234948895.

The spelling of 3064569661 in words is "three billion, sixty-four million, five hundred sixty-nine thousand, six hundred sixty-one".