26361145219 has 4 divisors (see below), whose sum is σ = 26422025896. Its totient is φ = 26300264544.

The previous prime is 26361145199. The next prime is 26361145229. The reversal of 26361145219 is 91254116362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91254116362 = 2 ⋅45627058181.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26361145219 is a prime.

It is a super-2 number, since 2×26361145219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26361145229) 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, 30439689 + ... + 30440554.

It is an arithmetic number, because the mean of its divisors is an integer number (6605506474).

Almost surely, 2^26361145219 is an apocalyptic number.

26361145219 is a deficient number, since it is larger than the sum of its proper divisors (60880677).

26361145219 is an equidigital number, since it uses as much as digits as its factorization.

26361145219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60880676.

The product of its digits is 77760, while the sum is 40.

The spelling of 26361145219 in words is "twenty-six billion, three hundred sixty-one million, one hundred forty-five thousand, two hundred nineteen".