63652649 has 4 divisors (see below), whose sum is σ = 63853764. Its totient is φ = 63451536.

The previous prime is 63652637. The next prime is 63652657. The reversal of 63652649 is 94625636.

63652649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19669225 + 43983424 = 4435^2 + 6632^2 .

It is a cyclic number.

It is not a de Polignac number, because 63652649 - 2¹² = 63648553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63652349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100082 + ... + 100715.

It is an arithmetic number, because the mean of its divisors is an integer number (15963441).

Almost surely, 2^63652649 is an apocalyptic number.

It is an amenable number.

63652649 is a deficient number, since it is larger than the sum of its proper divisors (201115).

63652649 is a wasteful number, since it uses less digits than its factorization.

63652649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201114.

The product of its digits is 233280, while the sum is 41.

The square root of 63652649 is about 7978.2610260633. The cubic root of 63652649 is about 399.2750389558.

The spelling of 63652649 in words is "sixty-three million, six hundred fifty-two thousand, six hundred forty-nine".