26701344065 has 32 divisors (see below), whose sum is σ = 35282165760. Its totient is φ = 19397790720.

The previous prime is 26701344053. The next prime is 26701344067. The reversal of 26701344065 is 56044310762.

It is a happy number.

It is not a de Polignac number, because 26701344065 - 2¹⁰ = 26701343041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26701344067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8510177 + ... + 8513313.

It is an arithmetic number, because the mean of its divisors is an integer number (1102567680).

Almost surely, 2^26701344065 is an apocalyptic number.

It is an amenable number.

26701344065 is a deficient number, since it is larger than the sum of its proper divisors (8580821695).

26701344065 is a wasteful number, since it uses less digits than its factorization.

26701344065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454 (or 4432 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 26701344065 in words is "twenty-six billion, seven hundred one million, three hundred forty-four thousand, sixty-five".