6403223604 has 24 divisors (see below), whose sum is σ = 15819729408. Its totient is φ = 2008854400.

The previous prime is 6403223599. The next prime is 6403223609. The reversal of 6403223604 is 4063223046.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6403223599) and next prime (6403223609).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403223609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15693972 + ... + 15694379.

It is an arithmetic number, because the mean of its divisors is an integer number (659155392).

Almost surely, 2^6403223604 is an apocalyptic number.

It is an amenable number.

6403223604 is an abundant number, since it is smaller than the sum of its proper divisors (9416505804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6403223604 is a wasteful number, since it uses less digits than its factorization.

6403223604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31388375 (or 31388373 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 6403223604 is about 80020.1449886215. The cubic root of 6403223604 is about 1856.9472028798.

The spelling of 6403223604 in words is "six billion, four hundred three million, two hundred twenty-three thousand, six hundred four".