2428658131121 has 4 divisors (see below), whose sum is σ = 2462864583744. Its totient is φ = 2394451678500.

The previous prime is 2428658131019. The next prime is 2428658131181. The reversal of 2428658131121 is 1211318568242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2428658131121 - 2³⁸ = 2153780224177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2428658131181) 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, 17103226205 + ... + 17103226346.

It is an arithmetic number, because the mean of its divisors is an integer number (615716145936).

Almost surely, 2^{2428658131121} is an apocalyptic number.

It is an amenable number.

2428658131121 is a deficient number, since it is larger than the sum of its proper divisors (34206452623).

2428658131121 is an equidigital number, since it uses as much as digits as its factorization.

2428658131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34206452622.

The product of its digits is 184320, while the sum is 44.

The spelling of 2428658131121 in words is "two trillion, four hundred twenty-eight billion, six hundred fifty-eight million, one hundred thirty-one thousand, one hundred twenty-one".