2102644203 has 8 divisors (see below), whose sum is σ = 3058391616. Its totient is φ = 1274329800.

The previous prime is 2102644129. The next prime is 2102644211. The reversal of 2102644203 is 3024462012.

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

It is not a de Polignac number, because 2102644203 - 2²¹ = 2100547051 is a prime.

It is a super-2 number, since 2×2102644203² = 8842225288819010418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102644213) 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, 31858213 + ... + 31858278.

It is an arithmetic number, because the mean of its divisors is an integer number (382298952).

Almost surely, 2^2102644203 is an apocalyptic number.

2102644203 is a deficient number, since it is larger than the sum of its proper divisors (955747413).

2102644203 is a wasteful number, since it uses less digits than its factorization.

2102644203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63716505.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2102644203 is about 45854.5984934990. The cubic root of 2102644203 is about 1281.1164175371.

The spelling of 2102644203 in words is "two billion, one hundred two million, six hundred forty-four thousand, two hundred three".