26285372963 has 4 divisors (see below), whose sum is σ = 26315345760. Its totient is φ = 26255400168.

The previous prime is 26285372921. The next prime is 26285373001. The reversal of 26285372963 is 36927358262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36927358262 = 2 ⋅18463679131.

It is a cyclic number.

It is not a de Polignac number, because 26285372963 - 2¹⁴ = 26285356579 is a prime.

It is a super-3 number, since 3×26285372963³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26285372063) 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, 14985083 + ... + 14986836.

It is an arithmetic number, because the mean of its divisors is an integer number (6578836440).

Almost surely, 2^26285372963 is an apocalyptic number.

26285372963 is a deficient number, since it is larger than the sum of its proper divisors (29972797).

26285372963 is an equidigital number, since it uses as much as digits as its factorization.

26285372963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29972796.

The product of its digits is 6531840, while the sum is 53.

The spelling of 26285372963 in words is "twenty-six billion, two hundred eighty-five million, three hundred seventy-two thousand, nine hundred sixty-three".