65284689651 has 12 divisors (see below), whose sum is σ = 88364859912. Its totient is φ = 42873518688.

The previous prime is 65284689647. The next prime is 65284689703. The reversal of 65284689651 is 15698648256.

It is not a de Polignac number, because 65284689651 - 2² = 65284689647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65284689611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2410410 + ... + 2437343.

It is an arithmetic number, because the mean of its divisors is an integer number (7363738326).

Almost surely, 2^65284689651 is an apocalyptic number.

65284689651 is a deficient number, since it is larger than the sum of its proper divisors (23080170261).

65284689651 is an equidigital number, since it uses as much as digits as its factorization.

65284689651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847890 (or 4847823 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 60.

The spelling of 65284689651 in words is "sixty-five billion, two hundred eighty-four million, six hundred eighty-nine thousand, six hundred fifty-one".