6946862987 has 2 divisors, whose sum is σ = 6946862988. Its totient is φ = 6946862986.

The previous prime is 6946862981. The next prime is 6946863013. The reversal of 6946862987 is 7892686496.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6946862987 - 2²⁰ = 6945814411 is a prime.

It is not a weakly prime, because it can be changed into another prime (6946862981) 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, 3473431493 + 3473431494.

It is an arithmetic number, because the mean of its divisors is an integer number (3473431494).

Almost surely, 2^6946862987 is an apocalyptic number.

6946862987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6946862987 is an equidigital number, since it uses as much as digits as its factorization.

6946862987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 65.

The square root of 6946862987 is about 83347.8433254274. The cubic root of 6946862987 is about 1908.0785284240.

The spelling of 6946862987 in words is "six billion, nine hundred forty-six million, eight hundred sixty-two thousand, nine hundred eighty-seven".