2103379668 has 36 divisors (see below), whose sum is σ = 5725868148. Its totient is φ = 647193600.

The previous prime is 2103379651. The next prime is 2103379721. The reversal of 2103379668 is 8669733012.

2103379668 is a `hidden beast` number, since 210 + 3 + 379 + 6 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1455269904 + 648109764 = 38148^2 + 25458^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2246733 + ... + 2247668.

It is an arithmetic number, because the mean of its divisors is an integer number (159051893).

Almost surely, 2^2103379668 is an apocalyptic number.

It is an amenable number.

2103379668 is an abundant number, since it is smaller than the sum of its proper divisors (3622488480).

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

2103379668 is a wasteful number, since it uses less digits than its factorization.

2103379668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4494424 (or 4494419 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 2103379668 is about 45862.6173260969. The cubic root of 2103379668 is about 1281.2657701870.

The spelling of 2103379668 in words is "two billion, one hundred three million, three hundred seventy-nine thousand, six hundred sixty-eight".