26447464564345 has 16 divisors (see below), whose sum is σ = 35275383271872. Its totient is φ = 18871604215360.

The previous prime is 26447464564343. The next prime is 26447464564351. The reversal of 26447464564345 is 54346546474462.

It is not a de Polignac number, because 26447464564345 - 2¹ = 26447464564343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26447464564343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4536440407 + ... + 4536446236.

It is an arithmetic number, because the mean of its divisors is an integer number (2204711454492).

Almost surely, 2^{26447464564345} is an apocalyptic number.

It is an amenable number.

26447464564345 is a deficient number, since it is larger than the sum of its proper divisors (8827918707527).

26447464564345 is a wasteful number, since it uses less digits than its factorization.

26447464564345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9072886712.

The product of its digits is 928972800, while the sum is 64.

The spelling of 26447464564345 in words is "twenty-six trillion, four hundred forty-seven billion, four hundred sixty-four million, five hundred sixty-four thousand, three hundred forty-five".