63391841353 has 4 divisors (see below), whose sum is σ = 63394137108. Its totient is φ = 63389545600.

The previous prime is 63391841321. The next prime is 63391841419. The reversal of 63391841353 is 35314819336.

63391841353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56607353929 + 6784487424 = 237923^2 + 82368^2 .

It is a cyclic number.

It is not a de Polignac number, because 63391841353 - 2⁵ = 63391841321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63391848353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105948 + ... + 1161853.

It is an arithmetic number, because the mean of its divisors is an integer number (15848534277).

Almost surely, 2^63391841353 is an apocalyptic number.

It is an amenable number.

63391841353 is a deficient number, since it is larger than the sum of its proper divisors (2295755).

63391841353 is a wasteful number, since it uses less digits than its factorization.

63391841353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295754.

The product of its digits is 699840, while the sum is 46.

The spelling of 63391841353 in words is "sixty-three billion, three hundred ninety-one million, eight hundred forty-one thousand, three hundred fifty-three".