3469566561 has 16 divisors (see below), whose sum is σ = 4654698048. Its totient is φ = 2298766400.

The previous prime is 3469566539. The next prime is 3469566587. The reversal of 3469566561 is 1656659643.

It is a happy number.

3469566561 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3469566561 - 2¹³ = 3469558369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3469566521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642091 + ... + 647471.

It is an arithmetic number, because the mean of its divisors is an integer number (290918628).

Almost surely, 2^3469566561 is an apocalyptic number.

It is an amenable number.

3469566561 is a deficient number, since it is larger than the sum of its proper divisors (1185131487).

3469566561 is a wasteful number, since it uses less digits than its factorization.

3469566561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6672.

The product of its digits is 3499200, while the sum is 51.

The square root of 3469566561 is about 58903.0267558468. The cubic root of 3469566561 is about 1513.8810096945.

The spelling of 3469566561 in words is "three billion, four hundred sixty-nine million, five hundred sixty-six thousand, five hundred sixty-one".