63649049 has 4 divisors (see below), whose sum is σ = 63672336. Its totient is φ = 63625764.

The previous prime is 63649043. The next prime is 63649051. The reversal of 63649049 is 94094636.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63649049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63648997 and 63649015.

It is not an unprimeable number, because it can be changed into a prime (63649043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6899 + ... + 13224.

It is an arithmetic number, because the mean of its divisors is an integer number (15918084).

Almost surely, 2^63649049 is an apocalyptic number.

It is an amenable number.

63649049 is a deficient number, since it is larger than the sum of its proper divisors (23287).

63649049 is a wasteful number, since it uses less digits than its factorization.

63649049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23286.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 63649049 is about 7978.0354097986. The cubic root of 63649049 is about 399.2675115538.

The spelling of 63649049 in words is "sixty-three million, six hundred forty-nine thousand, forty-nine".