25487699425069 has 8 divisors (see below), whose sum is σ = 29136729892160. Its totient is φ = 21840651595296.

The previous prime is 25487699425057. The next prime is 25487699425093. The reversal of 25487699425069 is 96052499678452.

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 25487699425069 - 2⁵ = 25487699425037 is a prime.

It is a super-2 number, since 2×25487699425069² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25487699424986 and 25487699425004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25487699425009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495631779 + ... + 495683200.

It is an arithmetic number, because the mean of its divisors is an integer number (3642091236520).

Almost surely, 2^{25487699425069} is an apocalyptic number.

It is an amenable number.

25487699425069 is a deficient number, since it is larger than the sum of its proper divisors (3649030467091).

25487699425069 is an equidigital number, since it uses as much as digits as its factorization.

25487699425069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991318659.

The product of its (nonzero) digits is 2351462400, while the sum is 76.

The spelling of 25487699425069 in words is "twenty-five trillion, four hundred eighty-seven billion, six hundred ninety-nine million, four hundred twenty-five thousand, sixty-nine".