65075266813 has 4 divisors (see below), whose sum is σ = 66046539520. Its totient is φ = 64103994108.

The previous prime is 65075266769. The next prime is 65075266847. The reversal of 65075266813 is 31866257056.

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-65075266813 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 (65075269813) 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, 485636253 + ... + 485636386.

It is an arithmetic number, because the mean of its divisors is an integer number (16511634880).

Almost surely, 2^65075266813 is an apocalyptic number.

It is an amenable number.

65075266813 is a deficient number, since it is larger than the sum of its proper divisors (971272707).

65075266813 is an equidigital number, since it uses as much as digits as its factorization.

65075266813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971272706.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 65075266813 in words is "sixty-five billion, seventy-five million, two hundred sixty-six thousand, eight hundred thirteen".