2050635406 has 4 divisors (see below), whose sum is σ = 3075953112. Its totient is φ = 1025317702.

The previous prime is 2050635373. The next prime is 2050635437. The reversal of 2050635406 is 6045360502.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 512658850 + ... + 512658853.

It is an arithmetic number, because the mean of its divisors is an integer number (768988278).

Almost surely, 2^2050635406 is an apocalyptic number.

2050635406 is a deficient number, since it is larger than the sum of its proper divisors (1025317706).

2050635406 is a wasteful number, since it uses less digits than its factorization.

2050635406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025317705.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2050635406 is about 45283.9420324689. The cubic root of 2050635406 is about 1270.4653276542.

Adding to 2050635406 its reverse (6045360502), we get a palindrome (8095995908).

The spelling of 2050635406 in words is "two billion, fifty million, six hundred thirty-five thousand, four hundred six".