6990418873147 has 2 divisors, whose sum is σ = 6990418873148. Its totient is φ = 6990418873146.

The previous prime is 6990418873129. The next prime is 6990418873157. The reversal of 6990418873147 is 7413788140996.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6990418873147 - 2⁷ = 6990418873019 is a prime.

It is not a weakly prime, because it can be changed into another prime (6990418873157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3495209436573 + 3495209436574.

It is an arithmetic number, because the mean of its divisors is an integer number (3495209436574).

Almost surely, 2^{6990418873147} is an apocalyptic number.

6990418873147 is a deficient number, since it is larger than the sum of its proper divisors (1).

6990418873147 is an equidigital number, since it uses as much as digits as its factorization.

6990418873147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 6990418873147 in words is "six trillion, nine hundred ninety billion, four hundred eighteen million, eight hundred seventy-three thousand, one hundred forty-seven".