3472204577561 has 2 divisors, whose sum is σ = 3472204577562. Its totient is φ = 3472204577560.

The previous prime is 3472204577551. The next prime is 3472204577563. The reversal of 3472204577561 is 1657754022743.

3472204577561 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3451718094400 + 20486483161 = 1857880^2 + 143131^2 .

It is a cyclic number.

It is not a de Polignac number, because 3472204577561 - 2⁶ = 3472204577497 is a prime.

Together with 3472204577563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3472204577563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1736102288780 + 1736102288781.

It is an arithmetic number, because the mean of its divisors is an integer number (1736102288781).

Almost surely, 2^{3472204577561} is an apocalyptic number.

It is an amenable number.

3472204577561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3472204577561 is an equidigital number, since it uses as much as digits as its factorization.

3472204577561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9878400, while the sum is 53.

The spelling of 3472204577561 in words is "three trillion, four hundred seventy-two billion, two hundred four million, five hundred seventy-seven thousand, five hundred sixty-one".