65408488433 has 4 divisors (see below), whose sum is σ = 65409643008. Its totient is φ = 65407333860.

The previous prime is 65408488427. The next prime is 65408488447. The reversal of 65408488433 is 33488480456.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65408488433 - 2⁴ = 65408488417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65408488403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487673 + ... + 607158.

It is an arithmetic number, because the mean of its divisors is an integer number (16352410752).

Almost surely, 2^65408488433 is an apocalyptic number.

It is an amenable number.

65408488433 is a deficient number, since it is larger than the sum of its proper divisors (1154575).

65408488433 is a wasteful number, since it uses less digits than its factorization.

65408488433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154574.

The product of its (nonzero) digits is 8847360, while the sum is 53.

The spelling of 65408488433 in words is "sixty-five billion, four hundred eight million, four hundred eighty-eight thousand, four hundred thirty-three".