26396734047 has 16 divisors (see below), whose sum is σ = 36745332480. Its totient is φ = 16823789312.

The previous prime is 26396734031. The next prime is 26396734051. The reversal of 26396734047 is 74043769362.

It is a cyclic number.

It is not a de Polignac number, because 26396734047 - 2⁴ = 26396734031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26396734027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31279 + ... + 231887.

It is an arithmetic number, because the mean of its divisors is an integer number (2296583280).

Almost surely, 2^26396734047 is an apocalyptic number.

26396734047 is a deficient number, since it is larger than the sum of its proper divisors (10348598433).

26396734047 is a wasteful number, since it uses less digits than its factorization.

26396734047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202542.

The product of its (nonzero) digits is 4572288, while the sum is 51.

The spelling of 26396734047 in words is "twenty-six billion, three hundred ninety-six million, seven hundred thirty-four thousand, forty-seven".