2428138513 has 4 divisors (see below), whose sum is σ = 2431068340. Its totient is φ = 2425208688.

The previous prime is 2428138507. The next prime is 2428138529. The reversal of 2428138513 is 3158318242.

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 1000583424 + 1427555089 = 31632^2 + 37783^2 .

It is a cyclic number.

It is not a de Polignac number, because 2428138513 - 2¹⁷ = 2428007441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2428138553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463670 + ... + 1465327.

It is an arithmetic number, because the mean of its divisors is an integer number (607767085).

Almost surely, 2^2428138513 is an apocalyptic number.

It is an amenable number.

2428138513 is a deficient number, since it is larger than the sum of its proper divisors (2929827).

2428138513 is an equidigital number, since it uses as much as digits as its factorization.

2428138513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929826.

The product of its digits is 46080, while the sum is 37.

The square root of 2428138513 is about 49276.1454762850. The cubic root of 2428138513 is about 1344.0780409335.

The spelling of 2428138513 in words is "two billion, four hundred twenty-eight million, one hundred thirty-eight thousand, five hundred thirteen".