26723544665413 has 8 divisors (see below), whose sum is σ = 27180627357600. Its totient is φ = 26266600015248.

The previous prime is 26723544665273. The next prime is 26723544665437. The reversal of 26723544665413 is 31456644532762.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26723544665413 is a prime.

It is a super-2 number, since 2×26723544665413² (a number of 28 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 (26723544665113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34119978 + ... + 34894411.

It is an arithmetic number, because the mean of its divisors is an integer number (3397578419700).

Almost surely, 2^{26723544665413} is an apocalyptic number.

It is an amenable number.

26723544665413 is a deficient number, since it is larger than the sum of its proper divisors (457082692187).

26723544665413 is an equidigital number, since it uses as much as digits as its factorization.

26723544665413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69021011.

The product of its digits is 87091200, while the sum is 58.

The spelling of 26723544665413 in words is "twenty-six trillion, seven hundred twenty-three billion, five hundred forty-four million, six hundred sixty-five thousand, four hundred thirteen".