26245914081791 has 8 divisors (see below), whose sum is σ = 26578370630400. Its totient is φ = 25913463278040.

The previous prime is 26245914081757. The next prime is 26245914081799. The reversal of 26245914081791 is 19718041954262.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26245914081791 is a prime.

It is a super-2 number, since 2×26245914081791² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26245914081791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26245914081799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8162576 + ... + 10914186.

It is an arithmetic number, because the mean of its divisors is an integer number (3322296328800).

Almost surely, 2^{26245914081791} is an apocalyptic number.

26245914081791 is a deficient number, since it is larger than the sum of its proper divisors (332456548609).

26245914081791 is a wasteful number, since it uses less digits than its factorization.

26245914081791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872429.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 26245914081791 in words is "twenty-six trillion, two hundred forty-five billion, nine hundred fourteen million, eighty-one thousand, seven hundred ninety-one".