2355545663 has 4 divisors (see below), whose sum is σ = 2355642960. Its totient is φ = 2355448368.

The previous prime is 2355545659. The next prime is 2355545693. The reversal of 2355545663 is 3665455532.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2355545663 - 2² = 2355545659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2355545623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19331 + ... + 71307.

It is an arithmetic number, because the mean of its divisors is an integer number (588910740).

Almost surely, 2^2355545663 is an apocalyptic number.

2355545663 is a deficient number, since it is larger than the sum of its proper divisors (97297).

2355545663 is an equidigital number, since it uses as much as digits as its factorization.

2355545663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97296.

The product of its digits is 1620000, while the sum is 44.

The square root of 2355545663 is about 48533.9640149040. The cubic root of 2355545663 is about 1330.5478857147.

The spelling of 2355545663 in words is "two billion, three hundred fifty-five million, five hundred forty-five thousand, six hundred sixty-three".