65312009995 has 8 divisors (see below), whose sum is σ = 78390138816. Its totient is φ = 52239123456.

The previous prime is 65312009989. The next prime is 65312010067. The reversal of 65312009995 is 59990021356.

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 65312009995 - 2¹¹ = 65312007947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1283107 + ... + 1333036.

It is an arithmetic number, because the mean of its divisors is an integer number (9798767352).

Almost surely, 2^65312009995 is an apocalyptic number.

65312009995 is a deficient number, since it is larger than the sum of its proper divisors (13078128821).

65312009995 is a wasteful number, since it uses less digits than its factorization.

65312009995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621141.

The product of its (nonzero) digits is 656100, while the sum is 49.

The spelling of 65312009995 in words is "sixty-five billion, three hundred twelve million, nine thousand, nine hundred ninety-five".