2105828427 has 8 divisors (see below), whose sum is σ = 2810856960. Its totient is φ = 1402342760.

The previous prime is 2105828381. The next prime is 2105828453. The reversal of 2105828427 is 7248285012.

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 2105828427 - 2⁶ = 2105828363 is a prime.

It is a super-2 number, since 2×2105828427² = 8869026727922588658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2105828477) 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, 382527 + ... + 387992.

It is an arithmetic number, because the mean of its divisors is an integer number (351357120).

Almost surely, 2^2105828427 is an apocalyptic number.

2105828427 is a deficient number, since it is larger than the sum of its proper divisors (705028533).

2105828427 is an equidigital number, since it uses as much as digits as its factorization.

2105828427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771433.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 2105828427 is about 45889.3062379461. The cubic root of 2105828427 is about 1281.7627947859.

The spelling of 2105828427 in words is "two billion, one hundred five million, eight hundred twenty-eight thousand, four hundred twenty-seven".