3423197561 has 16 divisors (see below), whose sum is σ = 4029580800. Its totient is φ = 2846612160.

The previous prime is 3423197521. The next prime is 3423197581. The reversal of 3423197561 is 1657913243.

3423197561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-3423197561 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3423197501) 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, 71456 + ... + 109326.

It is an arithmetic number, because the mean of its divisors is an integer number (251848800).

Almost surely, 2^3423197561 is an apocalyptic number.

It is an amenable number.

3423197561 is a deficient number, since it is larger than the sum of its proper divisors (606383239).

3423197561 is a wasteful number, since it uses less digits than its factorization.

3423197561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38264.

The product of its digits is 136080, while the sum is 41.

The square root of 3423197561 is about 58508.0982514387. The cubic root of 3423197561 is about 1507.1066565230.

The spelling of 3423197561 in words is "three billion, four hundred twenty-three million, one hundred ninety-seven thousand, five hundred sixty-one".