2100428633 has 8 divisors (see below), whose sum is σ = 2124098496. Its totient is φ = 2076822000.

The previous prime is 2100428599. The next prime is 2100428651. The reversal of 2100428633 is 3368240012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100428633 - 2⁸ = 2100428377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100428596 and 2100428605.

It is not an unprimeable number, because it can be changed into a prime (2100428833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52658 + ... + 83508.

It is an arithmetic number, because the mean of its divisors is an integer number (265512312).

Almost surely, 2^2100428633 is an apocalyptic number.

It is an amenable number.

2100428633 is a deficient number, since it is larger than the sum of its proper divisors (23669863).

2100428633 is a wasteful number, since it uses less digits than its factorization.

2100428633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31615.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2100428633 is about 45830.4334803851. The cubic root of 2100428633 is about 1280.6662858046. Note that the first 3 decimals are identical.

Adding to 2100428633 its reverse (3368240012), we get a palindrome (5468668645).

The spelling of 2100428633 in words is "two billion, one hundred million, four hundred twenty-eight thousand, six hundred thirty-three".