6402311543 has 8 divisors (see below), whose sum is σ = 6525414000. Its totient is φ = 6279294528.

The previous prime is 6402311519. The next prime is 6402311557. The reversal of 6402311543 is 3451132046.

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 6402311543 - 2⁶ = 6402311479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402310543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141788 + ... + 181406.

It is an arithmetic number, because the mean of its divisors is an integer number (815676750).

Almost surely, 2^6402311543 is an apocalyptic number.

6402311543 is a deficient number, since it is larger than the sum of its proper divisors (123102457).

6402311543 is a wasteful number, since it uses less digits than its factorization.

6402311543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42721.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 6402311543 is about 80014.4458394858. The cubic root of 6402311543 is about 1856.8590322100.

Adding to 6402311543 its reverse (3451132046), we get a palindrome (9853443589).

The spelling of 6402311543 in words is "six billion, four hundred two million, three hundred eleven thousand, five hundred forty-three".