34564144645 has 4 divisors (see below), whose sum is σ = 41476973580. Its totient is φ = 27651315712.

The previous prime is 34564144619. The next prime is 34564144663. The reversal of 34564144645 is 54644146543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23017137796 + 11547006849 = 151714^2 + 107457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34564144645 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34564144595 and 34564144604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3456414460 + ... + 3456414469.

It is an arithmetic number, because the mean of its divisors is an integer number (10369243395).

Almost surely, 2^34564144645 is an apocalyptic number.

It is an amenable number.

34564144645 is a deficient number, since it is larger than the sum of its proper divisors (6912828935).

34564144645 is an equidigital number, since it uses as much as digits as its factorization.

34564144645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912828934.

The product of its digits is 2764800, while the sum is 46.

It can be divided in two parts, 345641 and 44645, that added together give a triangular number (390286 = T₈₈₃).

The spelling of 34564144645 in words is "thirty-four billion, five hundred sixty-four million, one hundred forty-four thousand, six hundred forty-five".