6999946147 has 2 divisors, whose sum is σ = 6999946148. Its totient is φ = 6999946146.

The previous prime is 6999946117. The next prime is 6999946159. The reversal of 6999946147 is 7416499996.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6999946147 - 2¹¹ = 6999944099 is a prime.

It is not a weakly prime, because it can be changed into another prime (6999946117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3499973073 + 3499973074.

It is an arithmetic number, because the mean of its divisors is an integer number (3499973074).

Almost surely, 2^6999946147 is an apocalyptic number.

6999946147 is a deficient number, since it is larger than the sum of its proper divisors (1).

6999946147 is an equidigital number, since it uses as much as digits as its factorization.

6999946147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26453952, while the sum is 64.

The square root of 6999946147 is about 83665.6808195571. The cubic root of 6999946147 is about 1912.9262771844.

The spelling of 6999946147 in words is "six billion, nine hundred ninety-nine million, nine hundred forty-six thousand, one hundred forty-seven".