26463212065 has 8 divisors (see below), whose sum is σ = 33427215360. Its totient is φ = 20056329072.

The previous prime is 26463212033. The next prime is 26463212081. The reversal of 26463212065 is 56021236462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26463212065 - 2⁵ = 26463212033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139279969 + ... + 139280158.

It is an arithmetic number, because the mean of its divisors is an integer number (4178401920).

Almost surely, 2^26463212065 is an apocalyptic number.

It is an amenable number.

26463212065 is a deficient number, since it is larger than the sum of its proper divisors (6964003295).

26463212065 is a wasteful number, since it uses less digits than its factorization.

26463212065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278560151.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 26463212065 in words is "twenty-six billion, four hundred sixty-three million, two hundred twelve thousand, sixty-five".