9925897229713 has 4 divisors (see below), whose sum is σ = 9964519398180. Its totient is φ = 9887275061248.

The previous prime is 9925897229657. The next prime is 9925897229723. The reversal of 9925897229713 is 3179227985299.

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 7812734946129 + 2113162283584 = 2795127^2 + 1453672^2 .

It is a cyclic number.

It is not a de Polignac number, because 9925897229713 - 2⁹ = 9925897229201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9925897229723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19311083848 + ... + 19311084361.

It is an arithmetic number, because the mean of its divisors is an integer number (2491129849545).

Almost surely, 2^{9925897229713} is an apocalyptic number.

It is an amenable number.

9925897229713 is a deficient number, since it is larger than the sum of its proper divisors (38622168467).

9925897229713 is a wasteful number, since it uses less digits than its factorization.

9925897229713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38622168466.

The product of its digits is 308629440, while the sum is 73.

The spelling of 9925897229713 in words is "nine trillion, nine hundred twenty-five billion, eight hundred ninety-seven million, two hundred twenty-nine thousand, seven hundred thirteen".