6404460343 has 4 divisors (see below), whose sum is σ = 6405106968. Its totient is φ = 6403813720.

The previous prime is 6404460323. The next prime is 6404460367. The reversal of 6404460343 is 3430644046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6404460343 - 2¹⁷ = 6404329271 is a prime.

It is a super-2 number, since 2×6404460343² = 82034224570119355298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6404460299 and 6404460308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6404460313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308221 + ... + 328342.

It is an arithmetic number, because the mean of its divisors is an integer number (1601276742).

Almost surely, 2^6404460343 is an apocalyptic number.

6404460343 is a deficient number, since it is larger than the sum of its proper divisors (646625).

6404460343 is a wasteful number, since it uses less digits than its factorization.

6404460343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646624.

The product of its (nonzero) digits is 82944, while the sum is 34.

The square root of 6404460343 is about 80027.8722883471. The cubic root of 6404460343 is about 1857.0667474160.

The spelling of 6404460343 in words is "six billion, four hundred four million, four hundred sixty thousand, three hundred forty-three".