9925891267 has 2 divisors, whose sum is σ = 9925891268. Its totient is φ = 9925891266.

The previous prime is 9925891243. The next prime is 9925891279. The reversal of 9925891267 is 7621985299.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9925891267 - 2¹⁵ = 9925858499 is a prime.

It is not a weakly prime, because it can be changed into another prime (9925891207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4962945633 + 4962945634.

It is an arithmetic number, because the mean of its divisors is an integer number (4962945634).

Almost surely, 2^9925891267 is an apocalyptic number.

9925891267 is a deficient number, since it is larger than the sum of its proper divisors (1).

9925891267 is an equidigital number, since it uses as much as digits as its factorization.

9925891267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 58.

The square root of 9925891267 is about 99628.7672662871. The cubic root of 9925891267 is about 2149.0994077052.

The spelling of 9925891267 in words is "nine billion, nine hundred twenty-five million, eight hundred ninety-one thousand, two hundred sixty-seven".