6902148647 has 2 divisors, whose sum is σ = 6902148648. Its totient is φ = 6902148646.

The previous prime is 6902148641. The next prime is 6902148679. The reversal of 6902148647 is 7468412096.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6902148647 - 2⁸ = 6902148391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6902148641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3451074323 + 3451074324.

It is an arithmetic number, because the mean of its divisors is an integer number (3451074324).

Almost surely, 2^6902148647 is an apocalyptic number.

6902148647 is a deficient number, since it is larger than the sum of its proper divisors (1).

6902148647 is an equidigital number, since it uses as much as digits as its factorization.

6902148647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 6902148647 is about 83079.1709575872. The cubic root of 6902148647 is about 1903.9758524429.

The spelling of 6902148647 in words is "six billion, nine hundred two million, one hundred forty-eight thousand, six hundred forty-seven".