26313437313043 has 4 divisors (see below), whose sum is σ = 26584709862760. Its totient is φ = 26042164763328.

The previous prime is 26313437313017. The next prime is 26313437313049. The reversal of 26313437313043 is 34031373431362.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26313437313043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26313437313049) 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, 135636274713 + ... + 135636274906.

It is an arithmetic number, because the mean of its divisors is an integer number (6646177465690).

Almost surely, 2^{26313437313043} is an apocalyptic number.

26313437313043 is a deficient number, since it is larger than the sum of its proper divisors (271272549717).

26313437313043 is an equidigital number, since it uses as much as digits as its factorization.

26313437313043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271272549716.

The product of its (nonzero) digits is 979776, while the sum is 43.

The spelling of 26313437313043 in words is "twenty-six trillion, three hundred thirteen billion, four hundred thirty-seven million, three hundred thirteen thousand, forty-three".