43454496563 has 4 divisors (see below), whose sum is σ = 43454972280. Its totient is φ = 43454020848.

The previous prime is 43454496559. The next prime is 43454496587. The reversal of 43454496563 is 36569445434.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 43454496563 - 2² = 43454496559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43454496863) 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, 52898 + ... + 299511.

It is an arithmetic number, because the mean of its divisors is an integer number (10863743070).

Almost surely, 2^43454496563 is an apocalyptic number.

43454496563 is a deficient number, since it is larger than the sum of its proper divisors (475717).

43454496563 is a wasteful number, since it uses less digits than its factorization.

43454496563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475716.

The product of its digits is 18662400, while the sum is 53.

The spelling of 43454496563 in words is "forty-three billion, four hundred fifty-four million, four hundred ninety-six thousand, five hundred sixty-three".