2100828307 has 4 divisors (see below), whose sum is σ = 2104560360. Its totient is φ = 2097096256.

The previous prime is 2100828283. The next prime is 2100828337. The reversal of 2100828307 is 7038280012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100828307 - 2¹⁵ = 2100795539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100828337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1865182 + ... + 1866307.

It is an arithmetic number, because the mean of its divisors is an integer number (526140090).

Almost surely, 2^2100828307 is an apocalyptic number.

2100828307 is a deficient number, since it is larger than the sum of its proper divisors (3732053).

2100828307 is an equidigital number, since it uses as much as digits as its factorization.

2100828307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732052.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 2100828307 is about 45834.7936288580. The cubic root of 2100828307 is about 1280.7475099490.

The spelling of 2100828307 in words is "two billion, one hundred million, eight hundred twenty-eight thousand, three hundred seven".