34518478923065 has 16 divisors (see below), whose sum is σ = 41508882667008. Its totient is φ = 27557025287616.

The previous prime is 34518478923031. The next prime is 34518478923067. The reversal of 34518478923065 is 56032987481543.

It is a cyclic number.

It is not a de Polignac number, because 34518478923065 - 2¹⁶ = 34518478857529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34518478922992 and 34518478923010.

It is not an unprimeable number, because it can be changed into a prime (34518478923067) 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, 2856752 + ... + 8786238.

It is an arithmetic number, because the mean of its divisors is an integer number (2594305166688).

It is a 1-persistent number, because it is pandigital, but 2⋅34518478923065 = 69036957846130 is not.

Almost surely, 2^{34518478923065} is an apocalyptic number.

It is an amenable number.

34518478923065 is a deficient number, since it is larger than the sum of its proper divisors (6990403743943).

34518478923065 is a wasteful number, since it uses less digits than its factorization.

34518478923065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931928.

The product of its (nonzero) digits is 174182400, while the sum is 65.

The spelling of 34518478923065 in words is "thirty-four trillion, five hundred eighteen billion, four hundred seventy-eight million, nine hundred twenty-three thousand, sixty-five".