2105730544 has 10 divisors (see below), whose sum is σ = 4079852960. Its totient is φ = 1052865264.

The previous prime is 2105730541. The next prime is 2105730577. The reversal of 2105730544 is 4450375012.

It is a super-2 number, since 2×2105730544² = 8868202247869071872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105730541) by changing a digit.

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, 65804064 + ... + 65804095.

It is an arithmetic number, because the mean of its divisors is an integer number (407985296).

Almost surely, 2^2105730544 is an apocalyptic number.

It is an amenable number.

2105730544 is a deficient number, since it is larger than the sum of its proper divisors (1974122416).

2105730544 is a wasteful number, since it uses less digits than its factorization.

2105730544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131608167 (or 131608161 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 2105730544 is about 45888.2397134604. The cubic root of 2105730544 is about 1281.7429348692.

The spelling of 2105730544 in words is "two billion, one hundred five million, seven hundred thirty thousand, five hundred forty-four".