34556143565 has 4 divisors (see below), whose sum is σ = 41467372284. Its totient is φ = 27644914848.

The previous prime is 34556143541. The next prime is 34556143631. The reversal of 34556143565 is 56534165543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56534165543 = 19 ⋅2975482397.

It can be written as a sum of positive squares in 2 ways, for example, as 26504491204 + 8051652361 = 162802^2 + 89731^2 .

It is a cyclic number.

It is not a de Polignac number, because 34556143565 - 2¹² = 34556139469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455614352 + ... + 3455614361.

It is an arithmetic number, because the mean of its divisors is an integer number (10366843071).

Almost surely, 2^34556143565 is an apocalyptic number.

It is an amenable number.

34556143565 is a deficient number, since it is larger than the sum of its proper divisors (6911228719).

34556143565 is an equidigital number, since it uses as much as digits as its factorization.

34556143565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6911228718.

The product of its digits is 3240000, while the sum is 47.

The spelling of 34556143565 in words is "thirty-four billion, five hundred fifty-six million, one hundred forty-three thousand, five hundred sixty-five".