6441146761 has 16 divisors (see below), whose sum is σ = 7744233600. Its totient is φ = 5240245248.

The previous prime is 6441146759. The next prime is 6441146783. The reversal of 6441146761 is 1676411446.

It is a happy number.

It is not a de Polignac number, because 6441146761 - 2¹ = 6441146759 is a prime.

It is a super-2 number, since 2×6441146761² = 82976743193481582242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6441116761) 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, 256920 + ... + 280873.

It is an arithmetic number, because the mean of its divisors is an integer number (484014600).

Almost surely, 2^6441146761 is an apocalyptic number.

It is an amenable number.

6441146761 is a deficient number, since it is larger than the sum of its proper divisors (1303086839).

6441146761 is a wasteful number, since it uses less digits than its factorization.

6441146761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537888.

The product of its digits is 96768, while the sum is 40.

The square root of 6441146761 is about 80256.7552359301. The cubic root of 6441146761 is about 1860.6059190030.

The spelling of 6441146761 in words is "six billion, four hundred forty-one million, one hundred forty-six thousand, seven hundred sixty-one".