65040816827935 has 16 divisors (see below), whose sum is σ = 84056307372576. Its totient is φ = 48028107673728.

The previous prime is 65040816827933. The next prime is 65040816827947. The reversal of 65040816827935 is 53972861804056.

It is not a de Polignac number, because 65040816827935 - 2¹ = 65040816827933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65040816827933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19639764 + ... + 22711273.

It is an arithmetic number, because the mean of its divisors is an integer number (5253519210786).

It is a 1-persistent number, because it is pandigital, but 2⋅65040816827935 = 130081633655870 is not.

Almost surely, 2^{65040816827935} is an apocalyptic number.

65040816827935 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

65040816827935 is a deficient number, since it is larger than the sum of its proper divisors (19015490544641).

65040816827935 is a wasteful number, since it uses less digits than its factorization.

65040816827935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42374682.

The product of its (nonzero) digits is 87091200, while the sum is 64.

The spelling of 65040816827935 in words is "sixty-five trillion, forty billion, eight hundred sixteen million, eight hundred twenty-seven thousand, nine hundred thirty-five".