34518478923064 has 16 divisors (see below), whose sum is σ = 64795612407120. Its totient is φ = 17239648947840.

The previous prime is 34518478923031. The next prime is 34518478923067. The reversal of 34518478923064 is 46032987481543.

It is a super-2 number, since 2×34518478923064² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34518478922987 and 34518478923005.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2448806724 + ... + 2448820819.

It is an arithmetic number, because the mean of its divisors is an integer number (4049725775445).

It is a 2-persistent number, because it is pandigital, and so is 2⋅34518478923064 = 69036957846128, but 3⋅34518478923064 = 103555436769192 is not.

Almost surely, 2^{34518478923064} is an apocalyptic number.

It is an amenable number.

34518478923064 is a deficient number, since it is larger than the sum of its proper divisors (30277133484056).

34518478923064 is a wasteful number, since it uses less digits than its factorization.

34518478923064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897628430 (or 4897628426 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 64.

The spelling of 34518478923064 in words is "thirty-four trillion, five hundred eighteen billion, four hundred seventy-eight million, nine hundred twenty-three thousand, sixty-four".