26243973195 has 32 divisors (see below), whose sum is σ = 46584080640. Its totient is φ = 12508679040.

The previous prime is 26243973181. The next prime is 26243973229. The reversal of 26243973195 is 59137934262.

It is not a de Polignac number, because 26243973195 - 2²¹ = 26241876043 is a prime.

It is a super-2 number, since 2×26243973195² (a number of 22 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1338184 + ... + 1357653.

It is an arithmetic number, because the mean of its divisors is an integer number (1455752520).

Almost surely, 2^26243973195 is an apocalyptic number.

26243973195 is a deficient number, since it is larger than the sum of its proper divisors (20340107445).

26243973195 is a wasteful number, since it uses less digits than its factorization.

26243973195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695915.

The product of its digits is 2449440, while the sum is 51.

The spelling of 26243973195 in words is "twenty-six billion, two hundred forty-three million, nine hundred seventy-three thousand, one hundred ninety-five".