65068434503 has 4 divisors (see below), whose sum is σ = 65069096400. Its totient is φ = 65067772608.

The previous prime is 65068434499. The next prime is 65068434539. The reversal of 65068434503 is 30543486056.

It is a happy number.

It is a semiprime because it is the product of two primes, 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 65068434503 - 2² = 65068434499 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 (65068439503) 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, 150803 + ... + 390996.

It is an arithmetic number, because the mean of its divisors is an integer number (16267274100).

Almost surely, 2^65068434503 is an apocalyptic number.

65068434503 is a deficient number, since it is larger than the sum of its proper divisors (661897).

65068434503 is a wasteful number, since it uses less digits than its factorization.

65068434503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661896.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 65068434503 in words is "sixty-five billion, sixty-eight million, four hundred thirty-four thousand, five hundred three".