26536452818 has 4 divisors (see below), whose sum is σ = 39804679230. Its totient is φ = 13268226408.

The previous prime is 26536452797. The next prime is 26536452841. The reversal of 26536452818 is 81825463562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17034687289 + 9501765529 = 130517^2 + 97477^2 .

It is a super-2 number, since 2×26536452818² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6634113203 + ... + 6634113206.

Almost surely, 2^26536452818 is an apocalyptic number.

26536452818 is a deficient number, since it is larger than the sum of its proper divisors (13268226412).

26536452818 is a wasteful number, since it uses less digits than its factorization.

26536452818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13268226411.

The product of its digits is 2764800, while the sum is 50.

The spelling of 26536452818 in words is "twenty-six billion, five hundred thirty-six million, four hundred fifty-two thousand, eight hundred eighteen".