65424242455 has 96 divisors (see below), whose sum is σ = 94696439040. Its totient is φ = 43005680640.

The previous prime is 65424242447. The next prime is 65424242531. The reversal of 65424242455 is 55424242456.

65424242455 = 470² + 471² + ... + 5812².

It is not a de Polignac number, because 65424242455 - 2³ = 65424242447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 105693136 + ... + 105693754.

It is an arithmetic number, because the mean of its divisors is an integer number (986421240).

Almost surely, 2^65424242455 is an apocalyptic number.

65424242455 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

65424242455 is a deficient number, since it is larger than the sum of its proper divisors (29272196585).

65424242455 is a wasteful number, since it uses less digits than its factorization.

65424242455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 868 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 43.

Subtracting from 65424242455 its reverse (55424242456), we obtain a palindrome (9999999999).

The spelling of 65424242455 in words is "sixty-five billion, four hundred twenty-four million, two hundred forty-two thousand, four hundred fifty-five".