65255023666213 has 4 divisors (see below), whose sum is σ = 65278171956960. Its totient is φ = 65231875375468.

The previous prime is 65255023666171. The next prime is 65255023666223. The reversal of 65255023666213 is 31266632055256.

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 a de Polignac number, because none of the positive numbers 2^k-65255023666213 is a prime.

It is a super-2 number, since 2×65255023666213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65255023666223) 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, 11574141145 + ... + 11574146782.

It is an arithmetic number, because the mean of its divisors is an integer number (16319542989240).

Almost surely, 2^{65255023666213} is an apocalyptic number.

It is an amenable number.

65255023666213 is a deficient number, since it is larger than the sum of its proper divisors (23148290747).

65255023666213 is a wasteful number, since it uses less digits than its factorization.

65255023666213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23148290746.

The product of its (nonzero) digits is 11664000, while the sum is 52.

The spelling of 65255023666213 in words is "sixty-five trillion, two hundred fifty-five billion, twenty-three million, six hundred sixty-six thousand, two hundred thirteen".