26739618047 has 4 divisors (see below), whose sum is σ = 27902210160. Its totient is φ = 25577025936.

The previous prime is 26739618029. The next prime is 26739618049. The reversal of 26739618047 is 74081693762.

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

It is a cyclic number.

It is not a de Polignac number, because 26739618047 - 2²⁴ = 26722840831 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 26739618047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26739618049) 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, 581296022 + ... + 581296067.

It is an arithmetic number, because the mean of its divisors is an integer number (6975552540).

Almost surely, 2^26739618047 is an apocalyptic number.

26739618047 is a deficient number, since it is larger than the sum of its proper divisors (1162592113).

26739618047 is a wasteful number, since it uses less digits than its factorization.

26739618047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162592112.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 26739618047 in words is "twenty-six billion, seven hundred thirty-nine million, six hundred eighteen thousand, forty-seven".