26346042713 has 4 divisors (see below), whose sum is σ = 27732676560. Its totient is φ = 24959408868.

The previous prime is 26346042643. The next prime is 26346042721. The reversal of 26346042713 is 31724064362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26346042713 - 2³⁴ = 9166173529 is a prime.

It is a super-2 number, since 2×26346042713² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26346042763) 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, 693316895 + ... + 693316932.

It is an arithmetic number, because the mean of its divisors is an integer number (6933169140).

Almost surely, 2^26346042713 is an apocalyptic number.

It is an amenable number.

26346042713 is a deficient number, since it is larger than the sum of its proper divisors (1386633847).

26346042713 is a wasteful number, since it uses less digits than its factorization.

26346042713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386633846.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 26346042713 in words is "twenty-six billion, three hundred forty-six million, forty-two thousand, seven hundred thirteen".