2112435406 has 4 divisors (see below), whose sum is σ = 3168653112. Its totient is φ = 1056217702.

The previous prime is 2112435397. The next prime is 2112435427. The reversal of 2112435406 is 6045342112.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 528108850 + ... + 528108853.

It is an arithmetic number, because the mean of its divisors is an integer number (792163278).

Almost surely, 2^2112435406 is an apocalyptic number.

2112435406 is a deficient number, since it is larger than the sum of its proper divisors (1056217706).

2112435406 is a wasteful number, since it uses less digits than its factorization.

2112435406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056217705.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2112435406 is about 45961.2380816705. The cubic root of 2112435406 is about 1283.1018938501.

Adding to 2112435406 its reverse (6045342112), we get a palindrome (8157777518).

The spelling of 2112435406 in words is "two billion, one hundred twelve million, four hundred thirty-five thousand, four hundred six".