4354636644445 has 8 divisors (see below), whose sum is σ = 5229857788344. Its totient is φ = 3480846772224.

The previous prime is 4354636644409. The next prime is 4354636644469. The reversal of 4354636644445 is 5444466364534.

It can be written as a sum of positive squares in 4 ways, for example, as 1399995369796 + 2954641274649 = 1183214^2 + 1718907^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4354636644445 - 2⁹ = 4354636643933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4354636644445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357811224 + ... + 357823393.

It is an arithmetic number, because the mean of its divisors is an integer number (653732223543).

Almost surely, 2^{4354636644445} is an apocalyptic number.

It is an amenable number.

4354636644445 is a deficient number, since it is larger than the sum of its proper divisors (875221143899).

4354636644445 is a wasteful number, since it uses less digits than its factorization.

4354636644445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715635839.

The product of its digits is 199065600, while the sum is 58.

The spelling of 4354636644445 in words is "four trillion, three hundred fifty-four billion, six hundred thirty-six million, six hundred forty-four thousand, four hundred forty-five".