65265742765 has 8 divisors (see below), whose sum is σ = 78355656288. Its totient is φ = 52188084240.

The previous prime is 65265742699. The next prime is 65265742781. The reversal of 65265742765 is 56724756256.

65265742765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-65265742765 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3052027 + ... + 3073336.

It is an arithmetic number, because the mean of its divisors is an integer number (9794457036).

Almost surely, 2^65265742765 is an apocalyptic number.

It is an amenable number.

65265742765 is a deficient number, since it is larger than the sum of its proper divisors (13089913523).

65265742765 is a wasteful number, since it uses less digits than its factorization.

65265742765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127499.

The product of its digits is 21168000, while the sum is 55.

The spelling of 65265742765 in words is "sixty-five billion, two hundred sixty-five million, seven hundred forty-two thousand, seven hundred sixty-five".