26525973243 has 32 divisors (see below), whose sum is σ = 44304187392. Its totient is φ = 13714394400.

The previous prime is 26525973241. The next prime is 26525973311. The reversal of 26525973243 is 34237952562.

It is a happy number.

It is not a de Polignac number, because 26525973243 - 2¹ = 26525973241 is a prime.

It is a super-3 number, since 3×26525973243³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26525973192 and 26525973201.

It is not an unprimeable number, because it can be changed into a prime (26525973241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223371 + ... + 320852.

It is an arithmetic number, because the mean of its divisors is an integer number (1384505856).

Almost surely, 2^26525973243 is an apocalyptic number.

26525973243 is a deficient number, since it is larger than the sum of its proper divisors (17778214149).

26525973243 is a wasteful number, since it uses less digits than its factorization.

26525973243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544455.

The product of its digits is 2721600, while the sum is 48.

The spelling of 26525973243 in words is "twenty-six billion, five hundred twenty-five million, nine hundred seventy-three thousand, two hundred forty-three".