25842829129 has 8 divisors (see below), whose sum is σ = 27910488200. Its totient is φ = 23786562816.

The previous prime is 25842829087. The next prime is 25842829147. The reversal of 25842829129 is 92192824852.

It can be written as a sum of positive squares in 4 ways, for example, as 6059844025 + 19782985104 = 77845^2 + 140652^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25842829129 - 2¹¹ = 25842827081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25842824129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2843472 + ... + 2852545.

It is an arithmetic number, because the mean of its divisors is an integer number (3488811025).

Almost surely, 2^25842829129 is an apocalyptic number.

It is an amenable number.

25842829129 is a deficient number, since it is larger than the sum of its proper divisors (2067659071).

25842829129 is a wasteful number, since it uses less digits than its factorization.

25842829129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5696379.

The product of its digits is 1658880, while the sum is 52.

The spelling of 25842829129 in words is "twenty-five billion, eight hundred forty-two million, eight hundred twenty-nine thousand, one hundred twenty-nine".