63840324253 has 8 divisors (see below), whose sum is σ = 65967988448. Its totient is φ = 61733831184.

The previous prime is 63840324217. The next prime is 63840324299. The reversal of 63840324253 is 35242304836.

It is a happy number.

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 63840324253 - 2²⁹ = 63303453341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63840324953) 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, 5286651 + ... + 5298712.

It is an arithmetic number, because the mean of its divisors is an integer number (8245998556).

Almost surely, 2^63840324253 is an apocalyptic number.

It is an amenable number.

63840324253 is a deficient number, since it is larger than the sum of its proper divisors (2127664195).

63840324253 is a wasteful number, since it uses less digits than its factorization.

63840324253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585563.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 63840324253 in words is "sixty-three billion, eight hundred forty million, three hundred twenty-four thousand, two hundred fifty-three".