2439020413 has 6 divisors (see below), whose sum is σ = 2590932026. Its totient is φ = 2295548352.

The previous prime is 2439020407. The next prime is 2439020429. The reversal of 2439020413 is 3140209342.

It can be written as a sum of positive squares in 3 ways, for example, as 1787852089 + 651168324 = 42283^2 + 25518^2 .

It is not a de Polignac number, because 2439020413 - 2¹³ = 2439012221 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 (2439020113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4219470 + ... + 4220047.

Almost surely, 2^2439020413 is an apocalyptic number.

It is an amenable number.

2439020413 is a deficient number, since it is larger than the sum of its proper divisors (151911613).

2439020413 is an equidigital number, since it uses as much as digits as its factorization.

2439020413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439551 (or 8439534 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2439020413 is about 49386.4395659375. The cubic root of 2439020413 is about 1346.0829138856.

Adding to 2439020413 its reverse (3140209342), we get a palindrome (5579229755).

The spelling of 2439020413 in words is "two billion, four hundred thirty-nine million, twenty thousand, four hundred thirteen".