26742803361 has 4 divisors (see below), whose sum is σ = 35657071152. Its totient is φ = 17828535572.

The previous prime is 26742803303. The next prime is 26742803389. The reversal of 26742803361 is 16330824762.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26742803361 - 2¹⁷ = 26742672289 is a prime.

It is a super-2 number, since 2×26742803361² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26742803261) 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, 4457133891 + ... + 4457133896.

It is an arithmetic number, because the mean of its divisors is an integer number (8914267788).

Almost surely, 2^26742803361 is an apocalyptic number.

It is an amenable number.

26742803361 is a deficient number, since it is larger than the sum of its proper divisors (8914267791).

26742803361 is an equidigital number, since it uses as much as digits as its factorization.

26742803361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8914267790.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 26742803361 in words is "twenty-six billion, seven hundred forty-two million, eight hundred three thousand, three hundred sixty-one".