9042450899 has 2 divisors, whose sum is σ = 9042450900. Its totient is φ = 9042450898.

The previous prime is 9042450889. The next prime is 9042450913. The reversal of 9042450899 is 9980542409.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9042450899 - 2⁴ = 9042450883 is a prime.

It is not a weakly prime, because it can be changed into another prime (9042450829) 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 as a sum of consecutive naturals, namely, 4521225449 + 4521225450.

It is an arithmetic number, because the mean of its divisors is an integer number (4521225450).

Almost surely, 2^9042450899 is an apocalyptic number.

9042450899 is a deficient number, since it is larger than the sum of its proper divisors (1).

9042450899 is an equidigital number, since it uses as much as digits as its factorization.

9042450899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 9042450899 is about 95091.8024805503. The cubic root of 9042450899 is about 2083.3491178125.

The spelling of 9042450899 in words is "nine billion, forty-two million, four hundred fifty thousand, eight hundred ninety-nine".