26264904461 has 4 divisors (see below), whose sum is σ = 26416724892. Its totient is φ = 26113084032.

The previous prime is 26264904437. The next prime is 26264904503. The reversal of 26264904461 is 16440946262.

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 20511681961 + 5753222500 = 143219^2 + 75850^2 .

It is a cyclic number.

It is not a de Polignac number, because 26264904461 - 2¹⁰ = 26264903437 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 (26264904431) 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, 75909956 + ... + 75910301.

It is an arithmetic number, because the mean of its divisors is an integer number (6604181223).

Almost surely, 2^26264904461 is an apocalyptic number.

It is an amenable number.

26264904461 is a deficient number, since it is larger than the sum of its proper divisors (151820431).

26264904461 is a wasteful number, since it uses less digits than its factorization.

26264904461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151820430.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 26264904461 in words is "twenty-six billion, two hundred sixty-four million, nine hundred four thousand, four hundred sixty-one".