2683197561 has 24 divisors (see below), whose sum is σ = 4011233184. Its totient is φ = 1582202880.

The previous prime is 2683197527. The next prime is 2683197571. The reversal of 2683197561 is 1657913862.

It is not a de Polignac number, because 2683197561 - 2⁶ = 2683197497 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2683197561.

It is not an unprimeable number, because it can be changed into a prime (2683197511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15481 + ... + 74873.

It is an arithmetic number, because the mean of its divisors is an integer number (167134716).

Almost surely, 2^2683197561 is an apocalyptic number.

It is an amenable number.

2683197561 is a deficient number, since it is larger than the sum of its proper divisors (1328035623).

2683197561 is a wasteful number, since it uses less digits than its factorization.

2683197561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59481 (or 59444 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 2683197561 is about 51799.5903555231. The cubic root of 2683197561 is about 1389.5821184008.

The spelling of 2683197561 in words is "two billion, six hundred eighty-three million, one hundred ninety-seven thousand, five hundred sixty-one".