6404005435 has 16 divisors (see below), whose sum is σ = 7834312800. Its totient is φ = 5023961856.

The previous prime is 6404005427. The next prime is 6404005441. The reversal of 6404005435 is 5345004046.

It is a cyclic number.

It is not a de Polignac number, because 6404005435 - 2³ = 6404005427 is a prime.

It is a super-3 number, since 3×6404005435³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 6404005397 and 6404005406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94117 + ... + 147193.

It is an arithmetic number, because the mean of its divisors is an integer number (489644550).

Almost surely, 2^6404005435 is an apocalyptic number.

6404005435 is a deficient number, since it is larger than the sum of its proper divisors (1430307365).

6404005435 is a wasteful number, since it uses less digits than its factorization.

6404005435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53550.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 6404005435 is about 80025.0300531028. The cubic root of 6404005435 is about 1857.0227773036.

The spelling of 6404005435 in words is "six billion, four hundred four million, five thousand, four hundred thirty-five".