6998478337 has 2 divisors, whose sum is σ = 6998478338. Its totient is φ = 6998478336.

The previous prime is 6998478283. The next prime is 6998478359. The reversal of 6998478337 is 7338748996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6465607281 + 532871056 = 80409^2 + 23084^2 .

It is a cyclic number.

It is not a de Polignac number, because 6998478337 - 2³¹ = 4850994689 is a prime.

It is not a weakly prime, because it can be changed into another prime (6998478397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3499239168 + 3499239169.

It is an arithmetic number, because the mean of its divisors is an integer number (3499239169).

Almost surely, 2^6998478337 is an apocalyptic number.

It is an amenable number.

6998478337 is a deficient number, since it is larger than the sum of its proper divisors (1).

6998478337 is an equidigital number, since it uses as much as digits as its factorization.

6998478337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54867456, while the sum is 64.

The square root of 6998478337 is about 83656.9084834002. The cubic root of 6998478337 is about 1912.7925614606.

The spelling of 6998478337 in words is "six billion, nine hundred ninety-eight million, four hundred seventy-eight thousand, three hundred thirty-seven".