9925637213 has 16 divisors (see below), whose sum is σ = 10185928896. Its totient is φ = 9669179520.

The previous prime is 9925637207. The next prime is 9925637231. The reversal of 9925637213 is 3127365299.

It is a cyclic number.

It is not a de Polignac number, because 9925637213 - 2¹⁴ = 9925620829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9925637203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2745395 + ... + 2749007.

It is an arithmetic number, because the mean of its divisors is an integer number (636620556).

Almost surely, 2^9925637213 is an apocalyptic number.

It is an amenable number.

9925637213 is a deficient number, since it is larger than the sum of its proper divisors (260291683).

9925637213 is a wasteful number, since it uses less digits than its factorization.

9925637213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124.

The product of its digits is 612360, while the sum is 47.

The square root of 9925637213 is about 99627.4922548992. The cubic root of 9925637213 is about 2149.0810720903.

The spelling of 9925637213 in words is "nine billion, nine hundred twenty-five million, six hundred thirty-seven thousand, two hundred thirteen".