2100490863 has 16 divisors (see below), whose sum is σ = 2819220096. Its totient is φ = 1391070240.

The previous prime is 2100490841. The next prime is 2100490867. The reversal of 2100490863 is 3680940012.

It is not a de Polignac number, because 2100490863 - 2⁹ = 2100490351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100490867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368745 + ... + 374397.

It is an arithmetic number, because the mean of its divisors is an integer number (176201256).

Almost surely, 2^2100490863 is an apocalyptic number.

2100490863 is a deficient number, since it is larger than the sum of its proper divisors (718729233).

2100490863 is a wasteful number, since it uses less digits than its factorization.

2100490863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6454.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2100490863 is about 45831.1123910385. The cubic root of 2100490863 is about 1280.6789332352.

The spelling of 2100490863 in words is "two billion, one hundred million, four hundred ninety thousand, eight hundred sixty-three".