26545482109 has 8 divisors (see below), whose sum is σ = 27106601400. Its totient is φ = 25986594816.

The previous prime is 26545482107. The next prime is 26545482113. The reversal of 26545482109 is 90128454562.

It can be written as a sum of positive squares in 4 ways, for example, as 17256763225 + 9288718884 = 131365^2 + 96378^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 26545482109 - 2¹ = 26545482107 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 (26545482101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533952 + ... + 581545.

It is an arithmetic number, because the mean of its divisors is an integer number (3388325175).

Almost surely, 2^26545482109 is an apocalyptic number.

It is an amenable number.

26545482109 is a deficient number, since it is larger than the sum of its proper divisors (561119291).

26545482109 is a wasteful number, since it uses less digits than its factorization.

26545482109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115999.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 26545482109 in words is "twenty-six billion, five hundred forty-five million, four hundred eighty-two thousand, one hundred nine".