26809713050 has 12 divisors (see below), whose sum is σ = 49866066366. Its totient is φ = 10723885200.

The previous prime is 26809713037. The next prime is 26809713071. The reversal of 26809713050 is 5031790862.

It can be written as a sum of positive squares in 3 ways, for example, as 15102689449 + 11707023601 = 122893^2 + 108199^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26809712989 and 26809713007.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 268097081 + ... + 268097180.

Almost surely, 2^26809713050 is an apocalyptic number.

26809713050 is a deficient number, since it is larger than the sum of its proper divisors (23056353316).

26809713050 is a wasteful number, since it uses less digits than its factorization.

26809713050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536194273 (or 536194268 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 26809713050 in words is "twenty-six billion, eight hundred nine million, seven hundred thirteen thousand, fifty".