25343814021696 has 189 divisors, whose sum is σ = 74238592067731. Its totient is φ = 8266342036224.

The previous prime is 25343814021667. The next prime is 25343814021697. The reversal of 25343814021696 is 69612041834352.

It is a happy number.

The square root of 25343814021696 is 5034264.

It is a perfect power (a square), and thus also a powerful number.

25343814021696 is a `hidden beast` number, since 2 + 5 + 3 + 4 + 381 + 40 + 216 + 9 + 6 = 666.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25343814021697) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5678647561 + ... + 5678652023.

Almost surely, 2^{25343814021696} is an apocalyptic number.

25343814021696 is the 5034264-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25343814021696

25343814021696 is an abundant number, since it is smaller than the sum of its proper divisors (48894778046035).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25343814021696 is an frugal number, since it uses more digits than its factorization.

25343814021696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038 (or 4515 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 25343814021696 in words is "twenty-five trillion, three hundred forty-three billion, eight hundred fourteen million, twenty-one thousand, six hundred ninety-six".