26413367489 has 8 divisors (see below), whose sum is σ = 27174939240. Its totient is φ = 25654306176.

The previous prime is 26413367447. The next prime is 26413367501. The reversal of 26413367489 is 98476331462.

It can be written as a sum of positive squares in 4 ways, for example, as 5332650625 + 21080716864 = 73025^2 + 145192^2 .

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-26413367489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26413367489.

It is not an unprimeable number, because it can be changed into a prime (26413363489) 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, 606254 + ... + 648359.

It is an arithmetic number, because the mean of its divisors is an integer number (3396867405).

Almost surely, 2^26413367489 is an apocalyptic number.

It is an amenable number.

26413367489 is a deficient number, since it is larger than the sum of its proper divisors (761571751).

26413367489 is a wasteful number, since it uses less digits than its factorization.

26413367489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255219.

The product of its digits is 5225472, while the sum is 53.

The spelling of 26413367489 in words is "twenty-six billion, four hundred thirteen million, three hundred sixty-seven thousand, four hundred eighty-nine".