63344649941 has 2 divisors, whose sum is σ = 63344649942. Its totient is φ = 63344649940.

The previous prime is 63344649919. The next prime is 63344650001. The reversal of 63344649941 is 14994644336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62973894916 + 370755025 = 250946^2 + 19255^2 .

It is a cyclic number.

It is not a de Polignac number, because 63344649941 - 2⁶ = 63344649877 is a prime.

It is a super-2 number, since 2×63344649941² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63344649241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31672324970 + 31672324971.

It is an arithmetic number, because the mean of its divisors is an integer number (31672324971).

Almost surely, 2^63344649941 is an apocalyptic number.

It is an amenable number.

63344649941 is a deficient number, since it is larger than the sum of its proper divisors (1).

63344649941 is an equidigital number, since it uses as much as digits as its factorization.

63344649941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 53.

The spelling of 63344649941 in words is "sixty-three billion, three hundred forty-four million, six hundred forty-nine thousand, nine hundred forty-one".