6404215413 has 8 divisors (see below), whose sum is σ = 8581864000. Its totient is φ = 4248021888.

The previous prime is 6404215403. The next prime is 6404215421. The reversal of 6404215413 is 3145124046.

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

It is not a de Polignac number, because 6404215413 - 2⁴ = 6404215397 is a prime.

It is a super-2 number, since 2×6404215413² = 82027950112213521138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6404215403) 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 7 ways as a sum of consecutive naturals, for example, 5363068 + ... + 5364261.

It is an arithmetic number, because the mean of its divisors is an integer number (1072733000).

Almost surely, 2^6404215413 is an apocalyptic number.

It is an amenable number.

6404215413 is a deficient number, since it is larger than the sum of its proper divisors (2177648587).

6404215413 is a wasteful number, since it uses less digits than its factorization.

6404215413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10727531.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 6404215413 is about 80026.3419943708. The cubic root of 6404215413 is about 1857.0430734381.

Adding to 6404215413 its reverse (3145124046), we get a palindrome (9549339459).

The spelling of 6404215413 in words is "six billion, four hundred four million, two hundred fifteen thousand, four hundred thirteen".