6400053331 has 8 divisors (see below), whose sum is σ = 7318905440. Its totient is φ = 5482340928.

The previous prime is 6400053313. The next prime is 6400053349. The reversal of 6400053331 is 1333500046.

It is an interprime number because it is at equal distance from previous prime (6400053313) and next prime (6400053349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6400053331 - 2¹⁷ = 6399922259 is a prime.

It is a super-2 number, since 2×6400053331² = 81921365279288391122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6400053296 and 6400053305.

It is not an unprimeable number, because it can be changed into a prime (6400053371) 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 in 7 ways as a sum of consecutive naturals, for example, 272856 + ... + 295381.

It is an arithmetic number, because the mean of its divisors is an integer number (914863180).

Almost surely, 2^6400053331 is an apocalyptic number.

6400053331 is a deficient number, since it is larger than the sum of its proper divisors (918852109).

6400053331 is a wasteful number, since it uses less digits than its factorization.

6400053331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569853.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 6400053331 is about 80000.3333180556. Note that the first 4 decimals coincide. The cubic root of 6400053331 is about 1856.6406905261.

Adding to 6400053331 its reverse (1333500046), we get a palindrome (7733553377).

The spelling of 6400053331 in words is "six billion, four hundred million, fifty-three thousand, three hundred thirty-one".