25800027530749 has 8 divisors (see below), whose sum is σ = 25895528821760. Its totient is φ = 25704528433200.

The previous prime is 25800027530723. The next prime is 25800027530807. The reversal of 25800027530749 is 94703572000852.

It is a happy number.

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 25800027530749 - 2⁹ = 25800027530237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25800027530696 and 25800027530705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25800027530149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25263547 + ... + 26264935.

It is an arithmetic number, because the mean of its divisors is an integer number (3236941102720).

Almost surely, 2^{25800027530749} is an apocalyptic number.

It is an amenable number.

25800027530749 is a deficient number, since it is larger than the sum of its proper divisors (95501291011).

25800027530749 is a wasteful number, since it uses less digits than its factorization.

25800027530749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096731.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 25800027530749 in words is "twenty-five trillion, eight hundred billion, twenty-seven million, five hundred thirty thousand, seven hundred forty-nine".