4456561344257 has 4 divisors (see below), whose sum is σ = 4861703284656. Its totient is φ = 4051419403860.

The previous prime is 4456561344223. The next prime is 4456561344259. The reversal of 4456561344257 is 7524431656544.

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.

It is a cyclic number.

It is not a de Polignac number, because 4456561344257 - 2²⁸ = 4456292908801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4456561344259) 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, 202570970183 + ... + 202570970204.

It is an arithmetic number, because the mean of its divisors is an integer number (1215425821164).

Almost surely, 2^{4456561344257} is an apocalyptic number.

It is an amenable number.

4456561344257 is a deficient number, since it is larger than the sum of its proper divisors (405141940399).

4456561344257 is a wasteful number, since it uses less digits than its factorization.

4456561344257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405141940398.

The product of its digits is 48384000, while the sum is 56.

The spelling of 4456561344257 in words is "four trillion, four hundred fifty-six billion, five hundred sixty-one million, three hundred forty-four thousand, two hundred fifty-seven".