26220973263 has 8 divisors (see below), whose sum is σ = 34982661168. Its totient is φ = 17469967104.

The previous prime is 26220973241. The next prime is 26220973301. The reversal of 26220973263 is 36237902262.

It is a happy number.

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

It is not a de Polignac number, because 26220973263 - 2²¹ = 26218876111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26220973463) 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, 2664706 + ... + 2674527.

It is an arithmetic number, because the mean of its divisors is an integer number (4372832646).

Almost surely, 2^26220973263 is an apocalyptic number.

26220973263 is a deficient number, since it is larger than the sum of its proper divisors (8761687905).

26220973263 is a wasteful number, since it uses less digits than its factorization.

26220973263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340873.

The product of its (nonzero) digits is 326592, while the sum is 42.

The spelling of 26220973263 in words is "twenty-six billion, two hundred twenty million, nine hundred seventy-three thousand, two hundred sixty-three".