2426405239 has 4 divisors (see below), whose sum is σ = 2451419824. Its totient is φ = 2401390656.

The previous prime is 2426405227. The next prime is 2426405249. The reversal of 2426405239 is 9325046242.

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 2426405239 - 2⁹ = 2426404727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2426405198 and 2426405207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2426405249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12507147 + ... + 12507340.

It is an arithmetic number, because the mean of its divisors is an integer number (612854956).

Almost surely, 2^2426405239 is an apocalyptic number.

2426405239 is a deficient number, since it is larger than the sum of its proper divisors (25014585).

2426405239 is an equidigital number, since it uses as much as digits as its factorization.

2426405239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25014584.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2426405239 is about 49258.5549828657. The cubic root of 2426405239 is about 1343.7581511559.

The spelling of 2426405239 in words is "two billion, four hundred twenty-six million, four hundred five thousand, two hundred thirty-nine".