8129026441 has 4 divisors (see below), whose sum is σ = 8140117252. Its totient is φ = 8117935632.

The previous prime is 8129026387. The next prime is 8129026463. The reversal of 8129026441 is 1446209218.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5809640841 + 2319385600 = 76221^2 + 48160^2 .

It is a cyclic number.

It is not a de Polignac number, because 8129026441 - 2¹⁹ = 8128502153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8129026441.

It is not an unprimeable number, because it can be changed into a prime (8120026441) 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, 5544306 + ... + 5545771.

It is an arithmetic number, because the mean of its divisors is an integer number (2035029313).

Almost surely, 2^8129026441 is an apocalyptic number.

It is an amenable number.

8129026441 is a deficient number, since it is larger than the sum of its proper divisors (11090811).

8129026441 is a wasteful number, since it uses less digits than its factorization.

8129026441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090810.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 8129026441 is about 90161.1137963590. The cubic root of 8129026441 is about 2010.6949109156.

The spelling of 8129026441 in words is "eight billion, one hundred twenty-nine million, twenty-six thousand, four hundred forty-one".