2618128427 has 8 divisors (see below), whose sum is σ = 2756789760. Its totient is φ = 2479553640.

The previous prime is 2618128421. The next prime is 2618128441. The reversal of 2618128427 is 7248218162.

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 2618128427 - 2⁴ = 2618128411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2618128421) 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, 45902 + ... + 85692.

It is an arithmetic number, because the mean of its divisors is an integer number (344598720).

Almost surely, 2^2618128427 is an apocalyptic number.

2618128427 is a deficient number, since it is larger than the sum of its proper divisors (138661333).

2618128427 is a wasteful number, since it uses less digits than its factorization.

2618128427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43273.

The product of its digits is 86016, while the sum is 41.

The square root of 2618128427 is about 51167.6502001020. The cubic root of 2618128427 is about 1378.2573443497.

The spelling of 2618128427 in words is "two billion, six hundred eighteen million, one hundred twenty-eight thousand, four hundred twenty-seven".