26045828929 has 4 divisors (see below), whose sum is σ = 26220633300. Its totient is φ = 25871024560.

The previous prime is 26045828863. The next prime is 26045828933. The reversal of 26045828929 is 92982854062.

It is a happy number.

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 9380309904 + 16665519025 = 96852^2 + 129095^2 .

It is a cyclic number.

It is not a de Polignac number, because 26045828929 - 2¹¹ = 26045826881 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 26045828929.

It is not an unprimeable number, because it can be changed into a prime (26045828989) 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, 87401962 + ... + 87402259.

It is an arithmetic number, because the mean of its divisors is an integer number (6555158325).

Almost surely, 2^26045828929 is an apocalyptic number.

It is an amenable number.

26045828929 is a deficient number, since it is larger than the sum of its proper divisors (174804371).

26045828929 is a wasteful number, since it uses less digits than its factorization.

26045828929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174804370.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 26045828929 in words is "twenty-six billion, forty-five million, eight hundred twenty-eight thousand, nine hundred twenty-nine".