1094346643645 has 4 divisors (see below), whose sum is σ = 1313215972380. Its totient is φ = 875477314912.

The previous prime is 1094346643633. The next prime is 1094346643697. The reversal of 1094346643645 is 5463466434901.

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 267576529284 + 826770114361 = 517278^2 + 909269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1094346643645 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109434664360 + ... + 109434664369.

It is an arithmetic number, because the mean of its divisors is an integer number (328303993095).

Almost surely, 2^{1094346643645} is an apocalyptic number.

It is an amenable number.

1094346643645 is a deficient number, since it is larger than the sum of its proper divisors (218869328735).

1094346643645 is an equidigital number, since it uses as much as digits as its factorization.

1094346643645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218869328734.

The product of its (nonzero) digits is 22394880, while the sum is 55.

The spelling of 1094346643645 in words is "one trillion, ninety-four billion, three hundred forty-six million, six hundred forty-three thousand, six hundred forty-five".