63409349 has 2 divisors, whose sum is σ = 63409350. Its totient is φ = 63409348.

The previous prime is 63409343. The next prime is 63409373. The reversal of 63409349 is 94390436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43890625 + 19518724 = 6625^2 + 4418^2 .

It is a cyclic number.

It is not a de Polignac number, because 63409349 - 2¹² = 63405253 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63409343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31704674 + 31704675.

It is an arithmetic number, because the mean of its divisors is an integer number (31704675).

Almost surely, 2^63409349 is an apocalyptic number.

It is an amenable number.

63409349 is a deficient number, since it is larger than the sum of its proper divisors (1).

63409349 is an equidigital number, since it uses as much as digits as its factorization.

63409349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 63409349 is about 7962.9987441918. The cubic root of 63409349 is about 398.7656720877.

The spelling of 63409349 in words is "sixty-three million, four hundred nine thousand, three hundred forty-nine".