7449395897 has 2 divisors, whose sum is σ = 7449395898. Its totient is φ = 7449395896.

The previous prime is 7449395893. The next prime is 7449395927. The reversal of 7449395897 is 7985939447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7434060841 + 15335056 = 86221^2 + 3916^2 .

It is an emirp because it is prime and its reverse (7985939447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7449395897 - 2² = 7449395893 is a prime.

It is not a weakly prime, because it can be changed into another prime (7449395893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3724697948 + 3724697949.

It is an arithmetic number, because the mean of its divisors is an integer number (3724697949).

Almost surely, 2^7449395897 is an apocalyptic number.

It is an amenable number.

7449395897 is a deficient number, since it is larger than the sum of its proper divisors (1).

7449395897 is an equidigital number, since it uses as much as digits as its factorization.

7449395897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68584320, while the sum is 65.

The square root of 7449395897 is about 86309.8829624974. The cubic root of 7449395897 is about 1953.0214738537.

The spelling of 7449395897 in words is "seven billion, four hundred forty-nine million, three hundred ninety-five thousand, eight hundred ninety-seven".