6304640253 has 8 divisors (see below), whose sum is σ = 8441068416. Its totient is φ = 4185652800.

The previous prime is 6304640171. The next prime is 6304640273. The reversal of 6304640253 is 3520464036.

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

It is not a de Polignac number, because 6304640253 - 2¹² = 6304636157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6304640273) 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, 4359333 + ... + 4360778.

It is an arithmetic number, because the mean of its divisors is an integer number (1055133552).

Almost surely, 2^6304640253 is an apocalyptic number.

It is an amenable number.

6304640253 is a deficient number, since it is larger than the sum of its proper divisors (2136428163).

6304640253 is a wasteful number, since it uses less digits than its factorization.

6304640253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8720355.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 6304640253 is about 79401.7647977676. The cubic root of 6304640253 is about 1847.3680863453.

The spelling of 6304640253 in words is "six billion, three hundred four million, six hundred forty thousand, two hundred fifty-three".