26133695890 has 8 divisors (see below), whose sum is σ = 47040652620. Its totient is φ = 10453478352.

The previous prime is 26133695873. The next prime is 26133695911. The reversal of 26133695890 is 9859633162.

It can be written as a sum of positive squares in 2 ways, for example, as 22367296249 + 3766399641 = 149557^2 + 61371^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306684785 + ... + 1306684804.

Almost surely, 2^26133695890 is an apocalyptic number.

26133695890 is a deficient number, since it is larger than the sum of its proper divisors (20906956730).

26133695890 is a wasteful number, since it uses less digits than its factorization.

26133695890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613369596.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 26133695890 in words is "twenty-six billion, one hundred thirty-three million, six hundred ninety-five thousand, eight hundred ninety".