2100236426 has 8 divisors (see below), whose sum is σ = 3193510404. Its totient is φ = 1035732960.

The previous prime is 2100236387. The next prime is 2100236443. The reversal of 2100236426 is 6246320012.

It can be written as a sum of positive squares in 2 ways, for example, as 1933800625 + 166435801 = 43975^2 + 12901^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2100236395 and 2100236404.

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, 7192445 + ... + 7192736.

Almost surely, 2^2100236426 is an apocalyptic number.

2100236426 is a deficient number, since it is larger than the sum of its proper divisors (1093273978).

2100236426 is a wasteful number, since it uses less digits than its factorization.

2100236426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14385256.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2100236426 is about 45828.3364961025. The cubic root of 2100236426 is about 1280.6272206777.

Adding to 2100236426 its reverse (6246320012), we get a palindrome (8346556438).

The spelling of 2100236426 in words is "two billion, one hundred million, two hundred thirty-six thousand, four hundred twenty-six".