34044556561 has 4 divisors (see below), whose sum is σ = 34104179824. Its totient is φ = 33984933300.

The previous prime is 34044556537. The next prime is 34044556571. The reversal of 34044556561 is 16565544043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16565544043 = 1031 ⋅16067453.

It is a cyclic number.

It is not a de Polignac number, because 34044556561 - 2¹¹ = 34044554513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34044556571) 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, 29810775 + ... + 29811916.

It is an arithmetic number, because the mean of its divisors is an integer number (8526044956).

Almost surely, 2^34044556561 is an apocalyptic number.

It is an amenable number.

34044556561 is a deficient number, since it is larger than the sum of its proper divisors (59623263).

34044556561 is an equidigital number, since it uses as much as digits as its factorization.

34044556561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59623262.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 34044556561 in words is "thirty-four billion, forty-four million, five hundred fifty-six thousand, five hundred sixty-one".