9791225903 has 2 divisors, whose sum is σ = 9791225904. Its totient is φ = 9791225902.

The previous prime is 9791225887. The next prime is 9791225963. The reversal of 9791225903 is 3095221979.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9791225903 - 2⁴ = 9791225887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9791225963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4895612951 + 4895612952.

It is an arithmetic number, because the mean of its divisors is an integer number (4895612952).

Almost surely, 2^9791225903 is an apocalyptic number.

9791225903 is a deficient number, since it is larger than the sum of its proper divisors (1).

9791225903 is an equidigital number, since it uses as much as digits as its factorization.

9791225903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 9791225903 is about 98950.6235604405. The cubic root of 9791225903 is about 2139.3361191484.

The spelling of 9791225903 in words is "nine billion, seven hundred ninety-one million, two hundred twenty-five thousand, nine hundred three".