2100443401 has 8 divisors (see below), whose sum is σ = 2429429184. Its totient is φ = 1778688240.

The previous prime is 2100443399. The next prime is 2100443431. The reversal of 2100443401 is 1043440012.

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

It is not a de Polignac number, because 2100443401 - 2¹ = 2100443399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100443431) 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, 1807030 + ... + 1808191.

It is an arithmetic number, because the mean of its divisors is an integer number (303678648).

Almost surely, 2^2100443401 is an apocalyptic number.

It is an amenable number.

2100443401 is a deficient number, since it is larger than the sum of its proper divisors (328985783).

2100443401 is an equidigital number, since it uses as much as digits as its factorization.

2100443401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3615311.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2100443401 is about 45830.5945957501. The cubic root of 2100443401 is about 1280.6692872294.

Adding to 2100443401 its reverse (1043440012), we get a palindrome (3143883413).

The spelling of 2100443401 in words is "two billion, one hundred million, four hundred forty-three thousand, four hundred one".