26669626963 has 12 divisors (see below), whose sum is σ = 32168195760. Its totient is φ = 21656537136.

The previous prime is 26669626933. The next prime is 26669626999. The reversal of 26669626963 is 36962696662.

It is not a de Polignac number, because 26669626963 - 2¹³ = 26669618771 is a prime.

It is a super-2 number, since 2×26669626963² (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 (26669626933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5274408 + ... + 5279461.

It is an arithmetic number, because the mean of its divisors is an integer number (2680682980).

Almost surely, 2^26669626963 is an apocalyptic number.

26669626963 is a deficient number, since it is larger than the sum of its proper divisors (5498568797).

26669626963 is a wasteful number, since it uses less digits than its factorization.

26669626963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553914 (or 10553895 counting only the distinct ones).

The product of its digits is 45349632, while the sum is 61.

The spelling of 26669626963 in words is "twenty-six billion, six hundred sixty-nine million, six hundred twenty-six thousand, nine hundred sixty-three".