4336342645661 has 4 divisors (see below), whose sum is σ = 4669907464572. Its totient is φ = 4002777826752.

The previous prime is 4336342645631. The next prime is 4336342645673. The reversal of 4336342645661 is 1665462436334.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2132201562436 + 2204141083225 = 1460206^2 + 1484635^2 .

It is a cyclic number.

It is not a de Polignac number, because 4336342645661 - 2²⁶ = 4336275536797 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 (4336342645631) 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, 166782409436 + ... + 166782409461.

It is an arithmetic number, because the mean of its divisors is an integer number (1167476866143).

Almost surely, 2^{4336342645661} is an apocalyptic number.

It is an amenable number.

4336342645661 is a deficient number, since it is larger than the sum of its proper divisors (333564818911).

4336342645661 is a wasteful number, since it uses less digits than its factorization.

4336342645661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333564818910.

The product of its digits is 22394880, while the sum is 53.

The spelling of 4336342645661 in words is "four trillion, three hundred thirty-six billion, three hundred forty-two million, six hundred forty-five thousand, six hundred sixty-one".