2105609610562 has 4 divisors (see below), whose sum is σ = 3158414415846. Its totient is φ = 1052804805280.

The previous prime is 2105609610469. The next prime is 2105609610623. The reversal of 2105609610562 is 2650169065012.

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

It can be written as a sum of positive squares in only one way, i.e., 1744251131401 + 361358479161 = 1320701^2 + 601131^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 526402402639 + ... + 526402402642.

Almost surely, 2^{2105609610562} is an apocalyptic number.

2105609610562 is a deficient number, since it is larger than the sum of its proper divisors (1052804805284).

2105609610562 is a wasteful number, since it uses less digits than its factorization.

2105609610562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052804805283.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 2105609610562 in words is "two trillion, one hundred five billion, six hundred nine million, six hundred ten thousand, five hundred sixty-two".