26434050705 has 20 divisors (see below), whose sum is σ = 47385484212. Its totient is φ = 14098160160.

The previous prime is 26434050701. The next prime is 26434050733. The reversal of 26434050705 is 50705043462.

26434050705 is a `hidden beast` number, since 2 + 643 + 4 + 0 + 5 + 0 + 7 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8228485521 + 18205565184 = 90711^2 + 134928^2 .

It is not a de Polignac number, because 26434050705 - 2² = 26434050701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26434050705.

It is not an unprimeable number, because it can be changed into a prime (26434050701) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32634226 + ... + 32635035.

Almost surely, 2^26434050705 is an apocalyptic number.

It is an amenable number.

26434050705 is a deficient number, since it is larger than the sum of its proper divisors (20951433507).

26434050705 is an equidigital number, since it uses as much as digits as its factorization.

26434050705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65269278 (or 65269269 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 26434050705 in words is "twenty-six billion, four hundred thirty-four million, fifty thousand, seven hundred five".