65514501643 has 4 divisors (see below), whose sum is σ = 65515055400. Its totient is φ = 65513947888.

The previous prime is 65514501629. The next prime is 65514501707. The reversal of 65514501643 is 34610541556.

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 a de Polignac number, because none of the positive numbers 2^k-65514501643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65514501596 and 65514501605.

It is not an unprimeable number, because it can be changed into a prime (65514501443) 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, 19930 + ... + 362527.

It is an arithmetic number, because the mean of its divisors is an integer number (16378763850).

Almost surely, 2^65514501643 is an apocalyptic number.

65514501643 is a deficient number, since it is larger than the sum of its proper divisors (553757).

65514501643 is a wasteful number, since it uses less digits than its factorization.

65514501643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553756.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 65514501643 in words is "sixty-five billion, five hundred fourteen million, five hundred one thousand, six hundred forty-three".