9655540040065 has 16 divisors (see below), whose sum is σ = 11670230557440. Its totient is φ = 7668712506240.

The previous prime is 9655540040053. The next prime is 9655540040087. The reversal of 9655540040065 is 5600400455569.

It is not a de Polignac number, because 9655540040065 - 2⁵ = 9655540040033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48635032 + ... + 48833158.

It is an arithmetic number, because the mean of its divisors is an integer number (729389409840).

Almost surely, 2^{9655540040065} is an apocalyptic number.

It is an amenable number.

9655540040065 is a deficient number, since it is larger than the sum of its proper divisors (2014690517375).

9655540040065 is a wasteful number, since it uses less digits than its factorization.

9655540040065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268392.

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 9655540040065 in words is "nine trillion, six hundred fifty-five billion, five hundred forty million, forty thousand, sixty-five".