63612743 has 2 divisors, whose sum is σ = 63612744. Its totient is φ = 63612742.

The previous prime is 63612721. The next prime is 63612749. The reversal of 63612743 is 34721636.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63612743 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63612749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31806371 + 31806372.

It is an arithmetic number, because the mean of its divisors is an integer number (31806372).

Almost surely, 2^63612743 is an apocalyptic number.

63612743 is a deficient number, since it is larger than the sum of its proper divisors (1).

63612743 is an equidigital number, since it uses as much as digits as its factorization.

63612743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 63612743 is about 7975.7597130305. The cubic root of 63612743 is about 399.1915818342.

The spelling of 63612743 in words is "sixty-three million, six hundred twelve thousand, seven hundred forty-three".