63469449 has 12 divisors (see below), whose sum is σ = 97071156. Its totient is φ = 39823872.

The previous prime is 63469447. The next prime is 63469453. The reversal of 63469449 is 94496436.

It is a happy number.

63469449 is a `hidden beast` number, since 634 + 6 + 9 + 4 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50509449 + 12960000 = 7107^2 + 3600^2 .

It is not a de Polignac number, because 63469449 - 2¹ = 63469447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63469447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207264 + ... + 207569.

It is an arithmetic number, because the mean of its divisors is an integer number (8089263).

Almost surely, 2^63469449 is an apocalyptic number.

It is an amenable number.

63469449 is a deficient number, since it is larger than the sum of its proper divisors (33601707).

63469449 is a wasteful number, since it uses less digits than its factorization.

63469449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414856 (or 414853 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 63469449 is about 7966.7715544002. The cubic root of 63469449 is about 398.8916169711.

The spelling of 63469449 in words is "sixty-three million, four hundred sixty-nine thousand, four hundred forty-nine".