6404024461 has 4 divisors (see below), whose sum is σ = 6741078400. Its totient is φ = 6066970524.

The previous prime is 6404024447. The next prime is 6404024569. The reversal of 6404024461 is 1644204046.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1644204046 = 2 ⋅822102023.

It is a cyclic number.

It is not a de Polignac number, because 6404024461 - 2¹¹ = 6404022413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6404024161) 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 3 ways as a sum of consecutive naturals, for example, 168526941 + ... + 168526978.

It is an arithmetic number, because the mean of its divisors is an integer number (1685269600).

Almost surely, 2^6404024461 is an apocalyptic number.

It is an amenable number.

6404024461 is a deficient number, since it is larger than the sum of its proper divisors (337053939).

6404024461 is a wasteful number, since it uses less digits than its factorization.

6404024461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337053938.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 6404024461 is about 80025.1489283213. The cubic root of 6404024461 is about 1857.0246163443.

The spelling of 6404024461 in words is "six billion, four hundred four million, twenty-four thousand, four hundred sixty-one".