26312052653 has 4 divisors (see below), whose sum is σ = 26313023868. Its totient is φ = 26311081440.

The previous prime is 26312052631. The next prime is 26312052667. The reversal of 26312052653 is 35625021362.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21356315044 + 4955737609 = 146138^2 + 70397^2 .

It is a cyclic number.

It is not a de Polignac number, because 26312052653 - 2¹² = 26312048557 is a prime.

It is a super-2 number, since 2×26312052653² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26312051653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443768 + ... + 499553.

It is an arithmetic number, because the mean of its divisors is an integer number (6578255967).

Almost surely, 2^26312052653 is an apocalyptic number.

It is an amenable number.

26312052653 is a deficient number, since it is larger than the sum of its proper divisors (971215).

26312052653 is an equidigital number, since it uses as much as digits as its factorization.

26312052653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971214.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 26312052653 in words is "twenty-six billion, three hundred twelve million, fifty-two thousand, six hundred fifty-three".