7936625009 has 2 divisors, whose sum is σ = 7936625010. Its totient is φ = 7936625008.

The previous prime is 7936625003. The next prime is 7936625057. The reversal of 7936625009 is 9005266397.

7936625009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5696022784 + 2240602225 = 75472^2 + 47335^2 .

It is a cyclic number.

It is not a de Polignac number, because 7936625009 - 2⁸ = 7936624753 is a prime.

It is not a weakly prime, because it can be changed into another prime (7936625003) 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 as a sum of consecutive naturals, namely, 3968312504 + 3968312505.

It is an arithmetic number, because the mean of its divisors is an integer number (3968312505).

Almost surely, 2^7936625009 is an apocalyptic number.

It is an amenable number.

7936625009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7936625009 is an equidigital number, since it uses as much as digits as its factorization.

7936625009 is an odious number, because the sum of its binary digits is odd.

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

The square root of 7936625009 is about 89087.7377027838. The cubic root of 7936625009 is about 1994.7047432511.

The spelling of 7936625009 in words is "seven billion, nine hundred thirty-six million, six hundred twenty-five thousand, nine".