65504242413 has 12 divisors (see below), whose sum is σ = 94656096028. Its totient is φ = 43651560960.

The previous prime is 65504242381. The next prime is 65504242439. The reversal of 65504242413 is 31424240556.

It can be written as a sum of positive squares in 2 ways, for example, as 28031800329 + 37472442084 = 167427^2 + 193578^2 .

It is not a de Polignac number, because 65504242413 - 2⁵ = 65504242381 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 (65504242613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1471348 + ... + 1515213.

Almost surely, 2^65504242413 is an apocalyptic number.

It is an amenable number.

65504242413 is a deficient number, since it is larger than the sum of its proper divisors (29151853615).

65504242413 is a wasteful number, since it uses less digits than its factorization.

65504242413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989004 (or 2989001 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 65504242413 its reverse (31424240556), we get a palindrome (96928482969).

The spelling of 65504242413 in words is "sixty-five billion, five hundred four million, two hundred forty-two thousand, four hundred thirteen".