2128130494279 has 4 divisors (see below), whose sum is σ = 2137673680576. Its totient is φ = 2118587307984.

The previous prime is 2128130494277. The next prime is 2128130494283. The reversal of 2128130494279 is 9724940318212.

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

It is a cyclic number.

It is not a de Polignac number, because 2128130494279 - 2¹ = 2128130494277 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 (2128130494277) 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, 4771592814 + ... + 4771593259.

It is an arithmetic number, because the mean of its divisors is an integer number (534418420144).

Almost surely, 2^{2128130494279} is an apocalyptic number.

2128130494279 is a deficient number, since it is larger than the sum of its proper divisors (9543186297).

2128130494279 is an equidigital number, since it uses as much as digits as its factorization.

2128130494279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9543186296.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 2128130494279 in words is "two trillion, one hundred twenty-eight billion, one hundred thirty million, four hundred ninety-four thousand, two hundred seventy-nine".