6338920897 has 2 divisors, whose sum is σ = 6338920898. Its totient is φ = 6338920896.

The previous prime is 6338920859. The next prime is 6338920933. The reversal of 6338920897 is 7980298336.

It is a happy number.

6338920897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6309283761 + 29637136 = 79431^2 + 5444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6338920897 is a prime.

It is not a weakly prime, because it can be changed into another prime (6338920807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3169460448 + 3169460449.

It is an arithmetic number, because the mean of its divisors is an integer number (3169460449).

Almost surely, 2^6338920897 is an apocalyptic number.

It is an amenable number.

6338920897 is a deficient number, since it is larger than the sum of its proper divisors (1).

6338920897 is an equidigital number, since it uses as much as digits as its factorization.

6338920897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 6338920897 is about 79617.3404290799. The cubic root of 6338920897 is about 1850.7103088826.

The spelling of 6338920897 in words is "six billion, three hundred thirty-eight million, nine hundred twenty thousand, eight hundred ninety-seven".