63449856437741 has 2 divisors, whose sum is σ = 63449856437742. Its totient is φ = 63449856437740.

The previous prime is 63449856437707. The next prime is 63449856437771. The reversal of 63449856437741 is 14773465894436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39023072454025 + 24426783983716 = 6246845^2 + 4942346^2 .

It is a cyclic number.

It is not a de Polignac number, because 63449856437741 - 2³⁴ = 63432676568557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63449856437771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31724928218870 + 31724928218871.

It is an arithmetic number, because the mean of its divisors is an integer number (31724928218871).

Almost surely, 2^{63449856437741} is an apocalyptic number.

It is an amenable number.

63449856437741 is a deficient number, since it is larger than the sum of its proper divisors (1).

63449856437741 is an equidigital number, since it uses as much as digits as its factorization.

63449856437741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1463132160, while the sum is 71.

The spelling of 63449856437741 in words is "sixty-three trillion, four hundred forty-nine billion, eight hundred fifty-six million, four hundred thirty-seven thousand, seven hundred forty-one".