26345366549 has 8 divisors (see below), whose sum is σ = 27235971840. Its totient is φ = 25467394176.

The previous prime is 26345366543. The next prime is 26345366653. The reversal of 26345366549 is 94566354362.

It is a happy number.

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-26345366549 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 26345366549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26345366543) 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, 3153989 + ... + 3162330.

It is an arithmetic number, because the mean of its divisors is an integer number (3404496480).

Almost surely, 2^26345366549 is an apocalyptic number.

It is an amenable number.

26345366549 is a deficient number, since it is larger than the sum of its proper divisors (890605291).

26345366549 is an equidigital number, since it uses as much as digits as its factorization.

26345366549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316459.

The product of its digits is 13996800, while the sum is 53.

The spelling of 26345366549 in words is "twenty-six billion, three hundred forty-five million, three hundred sixty-six thousand, five hundred forty-nine".