2105341450 has 12 divisors (see below), whose sum is σ = 3915935190. Its totient is φ = 842136560.

The previous prime is 2105341423. The next prime is 2105341451. The reversal of 2105341450 is 541435012.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1482789049 + 622552401 = 38507^2 + 24951^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2105341451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21053365 + ... + 21053464.

Almost surely, 2^2105341450 is an apocalyptic number.

2105341450 is a deficient number, since it is larger than the sum of its proper divisors (1810593740).

2105341450 is a wasteful number, since it uses less digits than its factorization.

2105341450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42106841 (or 42106836 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2105341450 is about 45883.9999346177. Note that the first 4 decimals coincide. The cubic root of 2105341450 is about 1281.6639837727.

Adding to 2105341450 its reverse (541435012), we get a palindrome (2646776462).

The spelling of 2105341450 in words is "two billion, one hundred five million, three hundred forty-one thousand, four hundred fifty".