2100726863827 has 8 divisors (see below), whose sum is σ = 2112413219280. Its totient is φ = 2089041389280.

The previous prime is 2100726863819. The next prime is 2100726863857. The reversal of 2100726863827 is 7283686270012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2100726863827 - 2³ = 2100726863819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100726863857) 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, 4891449 + ... + 5303557.

It is an arithmetic number, because the mean of its divisors is an integer number (264051652410).

Almost surely, 2^{2100726863827} is an apocalyptic number.

2100726863827 is a deficient number, since it is larger than the sum of its proper divisors (11686355453).

2100726863827 is a wasteful number, since it uses less digits than its factorization.

2100726863827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440453.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 2100726863827 in words is "two trillion, one hundred billion, seven hundred twenty-six million, eight hundred sixty-three thousand, eight hundred twenty-seven".