63743245729 has 2 divisors, whose sum is σ = 63743245730. Its totient is φ = 63743245728.

The previous prime is 63743245667. The next prime is 63743245757. The reversal of 63743245729 is 92754234736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55190695329 + 8552550400 = 234927^2 + 92480^2 .

It is a cyclic number.

It is not a de Polignac number, because 63743245729 - 2¹⁵ = 63743212961 is a prime.

It is not a weakly prime, because it can be changed into another prime (63743245789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31871622864 + 31871622865.

It is an arithmetic number, because the mean of its divisors is an integer number (31871622865).

Almost surely, 2^63743245729 is an apocalyptic number.

It is an amenable number.

63743245729 is a deficient number, since it is larger than the sum of its proper divisors (1).

63743245729 is an equidigital number, since it uses as much as digits as its factorization.

63743245729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 52.

The spelling of 63743245729 in words is "sixty-three billion, seven hundred forty-three million, two hundred forty-five thousand, seven hundred twenty-nine".