2345593660561 has 4 divisors (see below), whose sum is σ = 2421257972224. Its totient is φ = 2269929348900.

The previous prime is 2345593660549. The next prime is 2345593660649. The reversal of 2345593660561 is 1650663955432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2345593660561 - 2¹⁹ = 2345593136273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2345593660061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37832155785 + ... + 37832155846.

It is an arithmetic number, because the mean of its divisors is an integer number (605314493056).

Almost surely, 2^{2345593660561} is an apocalyptic number.

It is an amenable number.

2345593660561 is a deficient number, since it is larger than the sum of its proper divisors (75664311663).

2345593660561 is an equidigital number, since it uses as much as digits as its factorization.

2345593660561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75664311662.

The product of its (nonzero) digits is 17496000, while the sum is 55.

The spelling of 2345593660561 in words is "two trillion, three hundred forty-five billion, five hundred ninety-three million, six hundred sixty thousand, five hundred sixty-one".