9405045997 has 2 divisors, whose sum is σ = 9405045998. Its totient is φ = 9405045996.

The previous prime is 9405045977. The next prime is 9405046109. The reversal of 9405045997 is 7995405049.

9405045997 is digitally balanced in base 2, 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., 5955363241 + 3449682756 = 77171^2 + 58734^2 .

It is an emirp because it is prime and its reverse (7995405049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9405045997 - 2⁷ = 9405045869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9405045977) 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, 4702522998 + 4702522999.

It is an arithmetic number, because the mean of its divisors is an integer number (4702522999).

Almost surely, 2^9405045997 is an apocalyptic number.

It is an amenable number.

9405045997 is a deficient number, since it is larger than the sum of its proper divisors (1).

9405045997 is an equidigital number, since it uses as much as digits as its factorization.

9405045997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 9405045997 is about 96979.6163995301. The cubic root of 9405045997 is about 2110.8318633219.

The spelling of 9405045997 in words is "nine billion, four hundred five million, forty-five thousand, nine hundred ninety-seven".