65812940467 has 8 divisors (see below), whose sum is σ = 65924341520. Its totient is φ = 65701601280.

The previous prime is 65812940377. The next prime is 65812940507. The reversal of 65812940467 is 76404921856.

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

It is a cyclic number.

It is not a de Polignac number, because 65812940467 - 2¹¹ = 65812938419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65812944467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2434867 + ... + 2461747.

It is an arithmetic number, because the mean of its divisors is an integer number (8240542690).

Almost surely, 2^65812940467 is an apocalyptic number.

65812940467 is a deficient number, since it is larger than the sum of its proper divisors (111401053).

65812940467 is a wasteful number, since it uses less digits than its factorization.

65812940467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30933.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 65812940467 in words is "sixty-five billion, eight hundred twelve million, nine hundred forty thousand, four hundred sixty-seven".