2100420059 has 4 divisors (see below), whose sum is σ = 2102570904. Its totient is φ = 2098269216.

The previous prime is 2100420041. The next prime is 2100420061. The reversal of 2100420059 is 9500240012.

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 2100420059 - 2¹⁶ = 2100354523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100420019) 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, 1073957 + ... + 1075910.

It is an arithmetic number, because the mean of its divisors is an integer number (525642726).

Almost surely, 2^2100420059 is an apocalyptic number.

2100420059 is a deficient number, since it is larger than the sum of its proper divisors (2150845).

2100420059 is an equidigital number, since it uses as much as digits as its factorization.

2100420059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150844.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2100420059 is about 45830.3399398259. The cubic root of 2100420059 is about 1280.6645432321.

The spelling of 2100420059 in words is "two billion, one hundred million, four hundred twenty thousand, fifty-nine".