34213564640545 has 4 divisors (see below), whose sum is σ = 41056277568660. Its totient is φ = 27370851712432.

The previous prime is 34213564640471. The next prime is 34213564640551. The reversal of 34213564640545 is 54504646531243.

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 10096989235776 + 24116575404769 = 3177576^2 + 4910863^2 .

It is a cyclic number.

It is not a de Polignac number, because 34213564640545 - 2²⁷ = 34213430422817 is a prime.

It is a super-2 number, since 2×34213564640545² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34213564640492 and 34213564640501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3421356464050 + ... + 3421356464059.

It is an arithmetic number, because the mean of its divisors is an integer number (10264069392165).

Almost surely, 2^{34213564640545} is an apocalyptic number.

It is an amenable number.

34213564640545 is a deficient number, since it is larger than the sum of its proper divisors (6842712928115).

34213564640545 is an equidigital number, since it uses as much as digits as its factorization.

34213564640545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842712928114.

The product of its (nonzero) digits is 20736000, while the sum is 52.

The spelling of 34213564640545 in words is "thirty-four trillion, two hundred thirteen billion, five hundred sixty-four million, six hundred forty thousand, five hundred forty-five".