26314966481 has 4 divisors (see below), whose sum is σ = 26315486052. Its totient is φ = 26314446912.

The previous prime is 26314966463. The next prime is 26314966493. The reversal of 26314966481 is 18466941362.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7746816256 + 18568150225 = 88016^2 + 136265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26314966481 is a prime.

It is a super-2 number, since 2×26314966481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26314966411) 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, 174476 + ... + 288221.

It is an arithmetic number, because the mean of its divisors is an integer number (6578871513).

Almost surely, 2^26314966481 is an apocalyptic number.

It is an amenable number.

26314966481 is a deficient number, since it is larger than the sum of its proper divisors (519571).

26314966481 is an equidigital number, since it uses as much as digits as its factorization.

26314966481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519570.

The product of its digits is 1492992, while the sum is 50.

The spelling of 26314966481 in words is "twenty-six billion, three hundred fourteen million, nine hundred sixty-six thousand, four hundred eighty-one".