2130008284685 has 4 divisors (see below), whose sum is σ = 2556009941628. Its totient is φ = 1704006627744.

The previous prime is 2130008284639. The next prime is 2130008284687. The reversal of 2130008284685 is 5864828000312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1273076686249 + 856931598436 = 1128307^2 + 925706^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130008284685 - 2¹⁰ = 2130008283661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130008284687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213000828464 + ... + 213000828473.

It is an arithmetic number, because the mean of its divisors is an integer number (639002485407).

Almost surely, 2^{2130008284685} is an apocalyptic number.

It is an amenable number.

2130008284685 is a deficient number, since it is larger than the sum of its proper divisors (426001656943).

2130008284685 is an equidigital number, since it uses as much as digits as its factorization.

2130008284685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426001656942.

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 2130008284685 in words is "two trillion, one hundred thirty billion, eight million, two hundred eighty-four thousand, six hundred eighty-five".