65743434755 has 4 divisors (see below), whose sum is σ = 78892121712. Its totient is φ = 52594747800.

The previous prime is 65743434749. The next prime is 65743434767. The reversal of 65743434755 is 55743434756.

65743434755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 65743434755 - 2⁸ = 65743434499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65743434697 and 65743434706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6574343471 + ... + 6574343480.

It is an arithmetic number, because the mean of its divisors is an integer number (19723030428).

Almost surely, 2^65743434755 is an apocalyptic number.

65743434755 is a deficient number, since it is larger than the sum of its proper divisors (13148686957).

65743434755 is a wasteful number, since it uses less digits than its factorization.

65743434755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13148686956.

The product of its digits is 21168000, while the sum is 53.

Subtracting from 65743434755 its reverse (55743434756), we obtain a palindrome (9999999999).

The spelling of 65743434755 in words is "sixty-five billion, seven hundred forty-three million, four hundred thirty-four thousand, seven hundred fifty-five".