4356338661 has 6 divisors (see below), whose sum is σ = 6292489190. Its totient is φ = 2904225768.

The previous prime is 4356338653. The next prime is 4356338663. The reversal of 4356338661 is 1668336534.

4356338661 is a `hidden beast` number, since 4 + 3 + 5 + 633 + 8 + 6 + 6 + 1 = 666.

4356338661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4120869636 + 235469025 = 64194^2 + 15345^2 .

It is not a de Polignac number, because 4356338661 - 2³ = 4356338653 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 (4356338663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 242018806 + ... + 242018823.

Almost surely, 2^4356338661 is an apocalyptic number.

It is an amenable number.

4356338661 is a deficient number, since it is larger than the sum of its proper divisors (1936150529).

4356338661 is a wasteful number, since it uses less digits than its factorization.

4356338661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484037635 (or 484037632 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 4356338661 is about 66002.5655637718. The cubic root of 4356338661 is about 1633.2044131990.

The spelling of 4356338661 in words is "four billion, three hundred fifty-six million, three hundred thirty-eight thousand, six hundred sixty-one".