2105205034 has 8 divisors (see below), whose sum is σ = 3158036100. Its totient is φ = 1052526336.

The previous prime is 2105205023. The next prime is 2105205041. The reversal of 2105205034 is 4305025012.

It can be written as a sum of positive squares in 2 ways, for example, as 2093337009 + 11868025 = 45753^2 + 3445^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2105204996 and 2105205014.

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, 7242 + ... + 65290.

Almost surely, 2^2105205034 is an apocalyptic number.

2105205034 is a deficient number, since it is larger than the sum of its proper divisors (1052831066).

2105205034 is a wasteful number, since it uses less digits than its factorization.

2105205034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76184.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2105205034 is about 45882.5133792821. The cubic root of 2105205034 is about 1281.6363012875.

The spelling of 2105205034 in words is "two billion, one hundred five million, two hundred five thousand, thirty-four".