2363685561 has 12 divisors (see below), whose sum is σ = 3414860592. Its totient is φ = 1575491256.

The previous prime is 2363685479. The next prime is 2363685587. The reversal of 2363685561 is 1655863632.

2363685561 is a `hidden beast` number, since 2 + 3 + 6 + 3 + 6 + 85 + 561 = 666.

It is not a de Polignac number, because 2363685561 - 2⁷ = 2363685433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2363681561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31950 + ... + 75816.

It is an arithmetic number, because the mean of its divisors is an integer number (284571716).

Almost surely, 2^2363685561 is an apocalyptic number.

It is an amenable number.

2363685561 is a deficient number, since it is larger than the sum of its proper divisors (1051175031).

2363685561 is a wasteful number, since it uses less digits than its factorization.

2363685561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49860 (or 49857 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 2363685561 is about 48617.7494440045. The cubic root of 2363685561 is about 1332.0787514649.

The spelling of 2363685561 in words is "two billion, three hundred sixty-three million, six hundred eighty-five thousand, five hundred sixty-one".