6978484313 has 2 divisors, whose sum is σ = 6978484314. Its totient is φ = 6978484312.

The previous prime is 6978484273. The next prime is 6978484321. The reversal of 6978484313 is 3134848796.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6440383504 + 538100809 = 80252^2 + 23197^2 .

It is a cyclic number.

It is not a de Polignac number, because 6978484313 - 2²⁰ = 6977435737 is a prime.

It is not a weakly prime, because it can be changed into another prime (6978484913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489242156 + 3489242157.

It is an arithmetic number, because the mean of its divisors is an integer number (3489242157).

Almost surely, 2^6978484313 is an apocalyptic number.

It is an amenable number.

6978484313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6978484313 is an equidigital number, since it uses as much as digits as its factorization.

6978484313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 53.

The square root of 6978484313 is about 83537.3228742698. The cubic root of 6978484313 is about 1910.9692651789.

The spelling of 6978484313 in words is "six billion, nine hundred seventy-eight million, four hundred eighty-four thousand, three hundred thirteen".