6416282781 has 16 divisors (see below), whose sum is σ = 9507292800. Its totient is φ = 4276761984.

The previous prime is 6416282779. The next prime is 6416282819. The reversal of 6416282781 is 1872826146.

It is not a de Polignac number, because 6416282781 - 2¹ = 6416282779 is a prime.

It is a super-2 number, since 2×6416282781² = 82337369451514187922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6416282701) 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 in 15 ways as a sum of consecutive naturals, for example, 162840 + ... + 198366.

It is an arithmetic number, because the mean of its divisors is an integer number (594205800).

Almost surely, 2^6416282781 is an apocalyptic number.

It is an amenable number.

6416282781 is a deficient number, since it is larger than the sum of its proper divisors (3091010019).

6416282781 is a wasteful number, since it uses less digits than its factorization.

6416282781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42225 (or 42219 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 6416282781 is about 80101.7027347110. The cubic root of 6416282781 is about 1858.2087411563.

The spelling of 6416282781 in words is "six billion, four hundred sixteen million, two hundred eighty-two thousand, seven hundred eighty-one".