65215654733 has 4 divisors (see below), whose sum is σ = 65216252640. Its totient is φ = 65215056828.

The previous prime is 65215654723. The next prime is 65215654741. The reversal of 65215654733 is 33745651256.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 65215654733 - 2⁴ = 65215654717 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 (65215654723) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 83663 + ... + 370716.

It is an arithmetic number, because the mean of its divisors is an integer number (16304063160).

Almost surely, 2^65215654733 is an apocalyptic number.

It is an amenable number.

65215654733 is a deficient number, since it is larger than the sum of its proper divisors (597907).

65215654733 is a wasteful number, since it uses less digits than its factorization.

65215654733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597906.

The product of its digits is 2268000, while the sum is 47.

The spelling of 65215654733 in words is "sixty-five billion, two hundred fifteen million, six hundred fifty-four thousand, seven hundred thirty-three".