6405471403 has 8 divisors (see below), whose sum is σ = 6560155008. Its totient is φ = 6252040704.

The previous prime is 6405471377. The next prime is 6405471419. The reversal of 6405471403 is 3041745046.

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 6405471403 - 2⁹ = 6405470891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6405475403) 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, 302875 + ... + 323332.

It is an arithmetic number, because the mean of its divisors is an integer number (820019376).

Almost surely, 2^6405471403 is an apocalyptic number.

6405471403 is a deficient number, since it is larger than the sum of its proper divisors (154683605).

6405471403 is a wasteful number, since it uses less digits than its factorization.

6405471403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626453.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 6405471403 is about 80034.1889632175. The cubic root of 6405471403 is about 1857.1644661416.

The spelling of 6405471403 in words is "six billion, four hundred five million, four hundred seventy-one thousand, four hundred three".