63843241241 has 4 divisors (see below), whose sum is σ = 68754259812. Its totient is φ = 58932222672.

The previous prime is 63843241219. The next prime is 63843241279. The reversal of 63843241241 is 14214234836.

It is a happy number.

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 10584294400 + 53258946841 = 102880^2 + 230779^2 .

It is a cyclic number.

It is not a de Polignac number, because 63843241241 - 2¹⁴ = 63843224857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63843241195 and 63843241204.

It is not an unprimeable number, because it can be changed into a prime (63843241201) 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, 2455509266 + ... + 2455509291.

It is an arithmetic number, because the mean of its divisors is an integer number (17188564953).

Almost surely, 2^63843241241 is an apocalyptic number.

It is an amenable number.

63843241241 is a deficient number, since it is larger than the sum of its proper divisors (4911018571).

63843241241 is a wasteful number, since it uses less digits than its factorization.

63843241241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4911018570.

The product of its digits is 110592, while the sum is 38.

The spelling of 63843241241 in words is "sixty-three billion, eight hundred forty-three million, two hundred forty-one thousand, two hundred forty-one".