26360136009 has 12 divisors (see below), whose sum is σ = 38269032516. Its totient is φ = 17484217632.

The previous prime is 26360136007. The next prime is 26360136037. The reversal of 26360136009 is 90063106362.

26360136009 is a `hidden beast` number, since 2 + 6 + 36 + 0 + 13 + 600 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20735136009 + 5625000000 = 143997^2 + 75000^2 .

It is not a de Polignac number, because 26360136009 - 2¹ = 26360136007 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26360136007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7431994 + ... + 7435539.

It is an arithmetic number, because the mean of its divisors is an integer number (3189086043).

Almost surely, 2^26360136009 is an apocalyptic number.

It is an amenable number.

26360136009 is a deficient number, since it is larger than the sum of its proper divisors (11908896507).

26360136009 is a wasteful number, since it uses less digits than its factorization.

26360136009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14867736 (or 14867733 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 26360136009 in words is "twenty-six billion, three hundred sixty million, one hundred thirty-six thousand, nine".