9449359897 has 2 divisors, whose sum is σ = 9449359898. Its totient is φ = 9449359896.

The previous prime is 9449359793. The next prime is 9449359901. The reversal of 9449359897 is 7989539449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7092839961 + 2356519936 = 84219^2 + 48544^2 .

It is a cyclic number.

It is not a de Polignac number, because 9449359897 - 2⁷ = 9449359769 is a prime.

It is not a weakly prime, because it can be changed into another prime (9449359097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4724679948 + 4724679949.

It is an arithmetic number, because the mean of its divisors is an integer number (4724679949).

Almost surely, 2^9449359897 is an apocalyptic number.

It is an amenable number.

9449359897 is a deficient number, since it is larger than the sum of its proper divisors (1).

9449359897 is an equidigital number, since it uses as much as digits as its factorization.

9449359897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88179840, while the sum is 67.

The square root of 9449359897 is about 97207.8180857898. The cubic root of 9449359897 is about 2114.1418831230.

The spelling of 9449359897 in words is "nine billion, four hundred forty-nine million, three hundred fifty-nine thousand, eight hundred ninety-seven".