63418469 has 2 divisors, whose sum is σ = 63418470. Its totient is φ = 63418468.

The previous prime is 63418441. The next prime is 63418471. The reversal of 63418469 is 96481436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62995969 + 422500 = 7937^2 + 650^2 .

It is a cyclic number.

It is not a de Polignac number, because 63418469 - 2⁸ = 63418213 is a prime.

It is a super-2 number, since 2×63418469² = 8043804420607922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 63418471, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63418669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31709234 + 31709235.

It is an arithmetic number, because the mean of its divisors is an integer number (31709235).

Almost surely, 2^63418469 is an apocalyptic number.

It is an amenable number.

63418469 is a deficient number, since it is larger than the sum of its proper divisors (1).

63418469 is an equidigital number, since it uses as much as digits as its factorization.

63418469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 63418469 is about 7963.5713721923. The cubic root of 63418469 is about 398.7847889774.

The spelling of 63418469 in words is "sixty-three million, four hundred eighteen thousand, four hundred sixty-nine".