6401848681 has 16 divisors (see below), whose sum is σ = 6776211456. Its totient is φ = 6035830416.

The previous prime is 6401848667. The next prime is 6401848697. The reversal of 6401848681 is 1868481046.

It is a cyclic number.

It is not a de Polignac number, because 6401848681 - 2²⁵ = 6368294249 is a prime.

It is a super-2 number, since 2×6401848681² = 81967333068842879522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6401848081) 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, 880246 + ... + 887488.

It is an arithmetic number, because the mean of its divisors is an integer number (423513216).

Almost surely, 2^6401848681 is an apocalyptic number.

It is an amenable number.

6401848681 is a deficient number, since it is larger than the sum of its proper divisors (374362775).

6401848681 is a wasteful number, since it uses less digits than its factorization.

6401848681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7812.

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 6401848681 is about 80011.5534219903. The cubic root of 6401848681 is about 1856.8142832578.

The spelling of 6401848681 in words is "six billion, four hundred one million, eight hundred forty-eight thousand, six hundred eighty-one".