63409343 has 2 divisors, whose sum is σ = 63409344. Its totient is φ = 63409342.

The previous prime is 63409331. The next prime is 63409349. The reversal of 63409343 is 34390436.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63409343 - 2¹⁶ = 63343807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63409349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31704671 + 31704672.

It is an arithmetic number, because the mean of its divisors is an integer number (31704672).

Almost surely, 2^63409343 is an apocalyptic number.

63409343 is a deficient number, since it is larger than the sum of its proper divisors (1).

63409343 is an equidigital number, since it uses as much as digits as its factorization.

63409343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 63409343 is about 7962.9983674493. The cubic root of 63409343 is about 398.7656595102.

Adding to 63409343 its reverse (34390436), we get a palindrome (97799779).

The spelling of 63409343 in words is "sixty-three million, four hundred nine thousand, three hundred forty-three".