26474400447463 has 4 divisors (see below), whose sum is σ = 26771865621120. Its totient is φ = 26176935273808.

The previous prime is 26474400447419. The next prime is 26474400447571. The reversal of 26474400447463 is 36474400447462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26474400447463 - 2⁹ = 26474400446951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26474400442463) 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, 148732586695 + ... + 148732586872.

It is an arithmetic number, because the mean of its divisors is an integer number (6692966405280).

Almost surely, 2^{26474400447463} is an apocalyptic number.

26474400447463 is a deficient number, since it is larger than the sum of its proper divisors (297465173657).

26474400447463 is an equidigital number, since it uses as much as digits as its factorization.

26474400447463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297465173656.

The product of its (nonzero) digits is 43352064, while the sum is 55.

Subtracting 26474400447463 from its reverse (36474400447462), we obtain a palindrome (9999999999999).

The spelling of 26474400447463 in words is "twenty-six trillion, four hundred seventy-four billion, four hundred million, four hundred forty-seven thousand, four hundred sixty-three".