2103603990 has 16 divisors (see below), whose sum is σ = 5048649648. Its totient is φ = 560961056.

The previous prime is 2103603979. The next prime is 2103603991. The reversal of 2103603990 is 993063012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103603991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35060037 + ... + 35060096.

It is an arithmetic number, because the mean of its divisors is an integer number (315540603).

Almost surely, 2^2103603990 is an apocalyptic number.

2103603990 is an abundant number, since it is smaller than the sum of its proper divisors (2945045658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103603990 is a wasteful number, since it uses less digits than its factorization.

2103603990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70120143.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 2103603990 is about 45865.0628474441. The cubic root of 2103603990 is about 1281.3113168672.

The spelling of 2103603990 in words is "two billion, one hundred three million, six hundred three thousand, nine hundred ninety".