26960340517 has 4 divisors (see below), whose sum is σ = 29411280576. Its totient is φ = 24509400460.

The previous prime is 26960340503. The next prime is 26960340523. The reversal of 26960340517 is 71504306962.

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 26960340517 - 2⁷ = 26960340389 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 (26960340557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225470013 + ... + 1225470034.

It is an arithmetic number, because the mean of its divisors is an integer number (7352820144).

Almost surely, 2^26960340517 is an apocalyptic number.

It is an amenable number.

26960340517 is a deficient number, since it is larger than the sum of its proper divisors (2450940059).

26960340517 is a wasteful number, since it uses less digits than its factorization.

26960340517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450940058.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 26960340517 in words is "twenty-six billion, nine hundred sixty million, three hundred forty thousand, five hundred seventeen".